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I can't do it! it's Science ​

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:

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.

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Answer:

Solid < Liquid < Gas

Answer:

C. Move the magnetized nail back and forth within the wire coil to induce an electric current in the wire.

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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)

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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Answer:4

Explanation:

on edge 2020

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.

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.

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

Answer:

It is conserved

Explanation:

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

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.

Answer:

2.77 would be the answer for this

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

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I use tusk act 4 main

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.

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

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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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

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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:

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.

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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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.

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:

Answer:

2.5

Explanation:

You have to find the unit rate, so 5 divided by 2 is 2.5.

Answer: According to Newton’s 1st law, the truck must be in equilibrium.

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

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.

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:

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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.

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.

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Answer:

Resultant is 152 N at 28.5 degrees south to the 100 N force

Explanation: