Answer: A and B
Explanation:
just took the apex test
Two statements best determine whether an engineering design is
successful
A. Specific project goals were met.
B. Time and money limitations were not exceeded
What is Project in engineering design?
A "project" consists of a coordinated series of activities or tasks performed by engineers, designers, drafters and others from one or more engineering disciplines or departments.
It is important to meet the need of project what the company wants , to meet the project goals for the correct execution of the project . Setting goals can give you a clear focus , motivates employee and set target for your project to work towards
Since , every project have a budget and a need to know if a project is worth the cost or not .
Both overestimation and underestimation of money have negative consequences and any delay in producing the end result of project can reduce the time to market and lead to reduction of profit.
correct options are
A. Specific project goals were met.
B. Time and money limitations were not exceeded.
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A dump truck is moving at a constant velocity of 30 m/s.
Which of the following statements accurately describes the truck?
Answer: According to Newton’s 1st law, the truck must be in equilibrium.
A student is able to run 5 meters in a time of 2 seconds. What is the average speed of this student in m/s?
Answer:
2.5
Explanation:
You have to find the unit rate, so 5 divided by 2 is 2.5.
whats the order of solid liquid and gas from least particle motion to the most?
Answer:
Solid < Liquid < Gas
Cacao beans arrive in a factory from the areas where they grew. At the factory, the best beans are sorted and put into bags. After quality-control workers check the bags, a large truck transports the cacao beans to a commercial chocolate-producing company. Which organelle plays a similar role inside a cell?
A. cytoplasm
B. Golgi body
C. mitochondrion
D. ribosome
E. vacuole
Answer:
B. Golgi body
Explanation:
The Golgi body is the region where proteins are modified, packaged, and transported to the appropriate location, usually outside of the cell.
The cytoplasm is the intracellular fluid/space, the mitochondrion produces energy, the ribosome produces proteins, and the vacuole is a storage organelle.
The Answer is B , Because the golgi body stores stuff for later use.
hope this helps
You are given a sample of metal and asked to determine its specific heat. You weight the sample and find that its weight is 28.4n.Ypu carefully add of heat heat energy to he sample and find that its temperature rises.Ehat is the samples specific heat?
Answer:
The samples specific heat is 14.8 J/kg.K
Explanation:
Given that,
Weight = 28.4 N
Suppose, heat energy [tex]E=1.25\times10^{4}\ J[/tex]
Temperature = 18°C
We need to calculate the samples specific heat
Using formula of specific heat
[tex]Q=mc\Delta T[/tex]
[tex]c=\dfrac{Q}{m\Delta T}[/tex]
Where, m = mass
c = specific heat
[tex]\Delta T[/tex] = temperature
Q = heat
Put the value into the formula
[tex]c=\dfrac{1.25\times10^{4}}{\dfrac{28.4}{9.8}\times(18+273)}[/tex]
[tex]c=14.8\ J/kg. K[/tex]
Hence, The samples specific heat is 14.8 J/kg.K
Answer:240 gradpoint
Explanation:
Which of the following is NOT an undefined term?
A. Line
B. Point
C. Line Segment
D. Plane
The chart shows data for four different moving objects.
A 3 column table with 4 rows. The first column is labeled object with entries W, X, Y, Z. The second column is labeled mass in kilograms with entries 10, 18, 14 and 30. The last column is labeled velocity in meters per second with entries 8, 3, 6, 4.
Which shows the order of the objects’ kinetic energies, from least to greatest?
W, Y, X, Z
Z, X, Y, W
W, Y, Z, X
X, Z, Y, W
Answer: X, Z, Y, W.
Explanation: From the formula the velocity is squared which means it can have a significant impact on kinetic energy, thus the higher the velocity the higher the kinetic energy. The kinetic energy is also impacted by the mass of a body, such that the higher the mass the higher the kinetic energy.
Answer:
D
Explanation:took the test
In a food chain, consumers gather energy by _______. a. consuming organisms at a lower trophic level b. consuming organisms at a higher trophic level c. decomposing dead organic matter d. absorbing sunlight directly Please select the best answer from the choices provided A B C D
Answer:
a. consuming organisms at a lower trophic level.
Explanation:
A food chain shows how various organisms are related to each other as per the food they eat. Each level of a food chain refers to a distinct trophic level.
Food chain is basically related to transfer of matter and energy from organism to organism in the form of food.
In a food chain, consumers gather energy by consuming organisms at a lower trophic level
Answer:
a. consuming organisms at a lower trophic level.
Explanation: took the unit test
Anna is conducting an experiment to determine how weather affects cell phone reception. She is trying to decide the best way to conduct her experiment in order to collect meaningful data.
Which of the following experiments would help Anna collect the best data?
A.
Test different cell phones in different locations on days with rainy weather.
B.
Test different cell phones in different locations on days with clear weather.
C.
Test a cell phone's reception in the exact same location under various atmospheric conditions.
D.
Test a cell phone's reception in one location with clear weather and in another location with rainy weather.
please help me this is due in 30 minutes. If you can do three that would be so great.
Answer:
1. 3000 N
Explanation:
you multiply 1000kg and 3
Answer:
2. acceleration will double
The acceleration will increase for example: 4/2=2 m/s^2 and if you double 4 it will be 8/2=4 m/s^2. Which means the acceleration also doubles.
Problem #2: An apple is thrown upward with an initial velocity of +24.0 m/s. a. Sketch the apple's trip and label what you know. b. How high will the apple go? (Ans: +29.4 m) c. What is the total time needed for the apple to return to its original position? (Ans: 4.90 s)
Answer:
The answer is below
Explanation:
a) The initial velocity (u) = 24 m/s
We can solve this problem using the formula:
v² = u² - 2gh
where v = final velocity, g= acceleration due to gravity = 9.8 m/s², h = height.
At maximum height, the final velocity = 0 m/s
v² = u² - 2gh
0² = 24² - 2(9.8)h
2(9.8)h = 24²
2(9.8)h = 576
19.6h = 576
h = 29.4 m
b) The time taken to reach the maximum height is given as:
v = u - gt
0 = 24 - 9.8t
9.8t = 24
t = 2.45 s
The total time needed for the apple to return to its original position = 2t = 2 * 2.45 = 4.9 s
Plz I need the answer quick!!!
What is the definition of law of conservation of energy
Answer:
The law of conservation of energy states that energy can neither be created nor destroyed - only converted from one form of energy to another. This means that a system always has the same amount of energy, unless it's added from the outside. This is particularly confusing in the case of non-conservative forces, where energy is converted from mechanical energy into thermal energy, but the overall energy does remain the same. The only way to use energy is to transform energy from one form to another.
Explanation:
Hope this helps!
Answer:
means that energy can neither be created nor destroyed; rather, it can only be transformed or transferred from one form to another.
Explanation: this is a shorter answer.
If a red blood cell with a 0.5M salt concentration is placed into a 2M salt solution, what will happen to the blood cell?
Answer:
The blood cell will expand.
Explanation:
Given that,
Salt concentration = 0.5M
Solution concentration = 2M
We know that,
Hypertonic solution :
If the solution concentration is lower than the solute concentration then it is called hypertonic solution.
Hypotonic solution :
If the solution concentration is higher than the solute concentration then it is called hypotonic solution.
We need to find what will happen to the blood cell
Using given data
The solution concentration is higher than the solute concentration.
So, The solution will be hypotonic solution.
We know that,
When a cell is placed in a hypotonic solution then the water will enter the cell, and the cell will expand.
Hence, The blood cell will expand.
Answer:
The blood cell will expand.
Explanation:
Just took a test.
{Hope this helps} : )
An object weighs 530.0 Newton. It is being pushed along a horizontal surface by a 340.0-
Newton force. Determine the mass of the object. Enter a numerical answer.
Answer:
54.08 kg
Explanation:
The weight of an object is the force of gravity acting on the object and is related to the mass of the object as;
Weight = mass x acceleration due to gravity (g), where g = 9.8 m/s.
Hence, the weight of the object is only dependent on its mass and g, not on any other force. Now, if the weight is 530.0 N,
530 = m x 9.8
m = 530/9.8
= 54.08 kg
Therefore, the weight of the object is 54.08 kg.
The measurement of how much matter an object contains is its
a. volume.
b. weight.
c. mass.
d. melting point.
Answer:
Mass is how much matter an object contains. Mass and weight are different measurements, although they may seem similar. Mass is measured by comparing one object to another object of known mass. Grams and kilograms are units we use to measure mass.
The measurement of quantity of matter in an object is mass ( optionC)
What is mass of a body?Mass of a body is defined as the quantity of matter(Solid, liquid or gas) contained in the given volume of the body.
Mass is a scalar quantity and also part of the fundamental quantities. It is measured in kilograms. Other units of mass include; gram tonnes e.t.c
Matter is anything that takes up space and can be weighed.
Therefore the quantity of matter in a body is
called mass.
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Lucy and JoJo need to make 140 cupcakes for the school dance. Lucy made 35 of the cupcakes. JoJo made 42 cupcakes What fraction of the cupcakes do Lucy and JoJo still need to make?
Answer:
9/20
Explanation:
According to this question, Lucy and JoJo need to make 140 cupcakes for the school dance. Lucy made 35 of the cupcakes while JoJo made 42 cupcakes. This means that in total, (42 + 35) cupcakes has been made by both Lucy and JoJo
That is, 77 cupcakes out of 140 has been made. This is 77/140 i.e. 11/20
Since 77/140 cupcakes has been made, Lucy and JoJo still need to make;
140 - 77 = 63 cupcakes to meet up their target for the school dance.
This means that the fraction left is 63/140
63/140 in its lowest term is 9/20
Hence, 9/20 of the cupcakes still need to be made by Lucy and JoJo.
Explanation: 140 - 35 = 105 - 42 = 63
yare yare daze
I use tusk act 4 main
The image shows the electric field lines around two charged
particles
Answer:4
Explanation:
on edge 2020
TIME REMISE
01:57:34
As a person pushes a box across a floor, the energy from the person's moving arm is transferred to the box, and the
box and the floor become warm. During this process, what happens to energy?
O. It is increased.
O It is conserved,
O It is decreased.
O It is created.
Answer:
It is conserved
Explanation:
Find the resultant of an easterly force of 100 N and a southeast force of 80 N acting at 65 degrees to the 100 N force
Answer:
Resultant is 152 N at 28.5 degrees south to the 100 N force
Explanation:
Warmer weather caused Galetown to have more severe storms.
Answer:
it will have to rise higher in the before the temperature of the air parcel and the surrounding air are equal. Which means the climate has rised
Explanation:
The climate rised
hope this helps!
Which of these equations will you used to find the final velocity if the initial
velocity and time is given? *
Answer:
2.77 would be the answer for this
Describe an organism that might live in an extreme environment such as inside a volcano, deep in the ocean, or in an icy cave.
Answer:
If you haven’t read about the shark found swimming in and out of a segment of an undersea volcano, then you really need to get up to date.
Explanation:
A boat covered 5/9 of a journey at an average speed of 25
mph. Then, it travelled the remaining 120 miles at another
speed. If the total time of the whole journey was 8.5 hours,
what was the amount of time the boat spent on the remaining
120 miles? (Write as a decimal.)
_____ hours
Need it for now
Answer:
Thus, the time for the remaining 120 miles: 8.5 - 6 = 2.5 h
Explanation:
The remaining 120 miles was (1 - 5/9 = 4/9) of the total journey.
Then, total distance: 120 ÷ 4/9 = 120 × 9/4 = 270 miles
The distance for 25 mph: 270 × 5/9 = 150 miles
The time for 25 mph: 150 ÷ 25 = 6 h
The boat spent 2.5 hours on the remaining 120 miles.
What is speed?Speed is distance travelled by the object per unit time. Due to having no direction and only having magnitude, speed is a scalar quantity With SI unit meter/second.
According to the question, The remaining 120 miles was (1 - 5/9) = 4/9of the total journey.
Then, total distance travelled by the boat: 120 ÷ 4/9 = 120 × 9/4 = 270 miles.
The distance travelled by the boat at 25 mph: 270 × 5/9 = 150 miles.
The time taken to travel this distance: 150 ÷ 25 = 6 hours.
Hence, the time for the remaining 120 miles is: 8.5 - 6 = 2.5 hours.
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Pllzzzz help I will mark u as a brainliest
Answer:
You dont need BRAINLY there is an app called slader where you scan the textbook barcode and it shows you the answers for the question in the textbook.
Explanation:
how can magnetic potential energy be transferred to kinetic energy
Answer:
A magnetic force can convert kinetic energy stored in a magnetic field to potential energy. Kinetic energy can convert potential energy stored in a gravitational field. A magnetic energy can convert potential energy stored in a gravitational field to kinetic energy.
A jet accelerates from rest down a runway at 1.75 m/s2 for a distance of 1500 m before
takeoff.
a. How fast is the plane moving at takeoff?
b. How long does it take the plane to travel down the runway?
Explanation:
a. Using the third equation of motion:
v2 = u2 + 2as
from the question;
the jet was initially at rest
hence u = 0
a = 1.75m/s2
s = 1500m
v2 = 02 + 2(1.75)(1500)
v2 = 5250
v = √5250
v = 72.46m/s
hence it moves with a velocity of 72.46m/s.
b. s = ut + 1/2at2
1500 = 0(t) + 1/2(1.75)t2
1500 × 2 = 2× 1/2(1.75)t2
3000 = 1.75t2
1714.29 = t2
41.4 = t
hence the time taken for the plane to down the runway is 41.4s.
Question 4 of 20
Luke wraps a magnetized steel nail with several coils of insulated wire and
then connects the loose ends of the wire to a 10 W lightbulb. Which step
could he take next to get the lightbulb to light up?
O A. Replace the magnetized nail with a nonmagnetic metal to cause
an electric current to flow in the wire.
O B. Remove the magnetized nail from the wire coil to induce a
magnetic field that will flow through the wire.
C. Move the magnetized nail back and forth within the wire coil to
induce an electric current in the wire.
D. Add several more coils of the wire around the magnetized nail to
make a stronger electric current.
SUBMIT
Answer:
C. Move the magnetized nail back and forth within the wire coil to induce an electric current in the wire.
Hope this helps.
An apple is dropped from a 260m high building. How long will it take to hit the ground in
seconds)?
Answer:
7.28 s
Explanation:
s=-260
u=0
assume a=-9.81
t=?
s=1/2at^2 + ut
-260=1/2 (-9.81) t^2 +0t
t=7.28 s
The time taken for the apple to hit the ground from the high building is 7.28s.
Given the data in the question;
Before the apple was dropped, it was initially at rest, so
Initial velocity; [tex]u = 0 m/s[/tex]Distance or height from which it was dropped from; [tex]s = 260m[/tex]
To find the time it will take for the apple to hit the ground
We use the Second Equation of Motion:
[tex]s = u^2 + \frac{1}{2}at^2[/tex]
Where s is the distance or height from which it was dropped, u is its initial velocity, t is time and a is the acceleration due to gravity.
We know that earth's gravitational field or acceleration due to gravity; [tex]g = 9.8m/s^2[/tex]
Since the apple is falling, it under gravity; [tex]a = g = 9.8m/s^2[/tex]
We substitute our values into the equation and find t
[tex]260m = (0m/s)^2 + (\frac{1}{2} \ *\ 9.8m/s^2\ *\ t^2 )\\\\260m = 4.9m/s^2 \ * \ t^2\\\\t^2 = \frac{260m}{4.9m/s^2}\\\\t^2 = 53.06^2\\\\t = \sqrt{53.06s^2} \\\\t = 7.28s[/tex]
Therefore, the time taken for the apple to hit the ground from the high building is 7.28s
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When a body like earth is moving in a circular path the work done in that case is zero because: (a) Centripetal force acts in the direction of motion of the body (b) Centripetal force acts along the radius of circular path (c) Gravitational force acts along the radius of circular path (d) Centrifugal force acts perpendicular to the radius of circular path
Answer:
(b) Centripetal force acts along the radius of circular path
Explanation:
Centripetal force is a force experienced by a body moving in a circular path. It is expressed mathematically ad F = mv²/r
m is the mass of the body
v is the velocity
r is the radius of the circular path
When a body moves in a circular path, work dome is zero because Centripetal force acts along the radius of circular path and the force is at right angle with the motion of body.
Which answer choice correctly describes the ball's kinetic and potential energy? Group of answer choices The ball has more potential energy at position X than at position Z. The ball has more kinetic energy at position Y than at position W. The potential energy and kinetic energy of the ball are equal at position X. The potential energy and kinetic energy of the ball are greatest at position Z.
Answer:the ball has more kinetic energy at position Y than position X
Answer: G. The ball has more KE at position Y than at position W.
Explanation:
I’m just adding the picture here if you’re not sure if the question is the one you’re looking for. I take not credit for the answer, im just adding the picture.