Answer: If you apply force to an object the velocity changes. But it doesn't work the other way around apply velocity and the force (no!) Velocity does not change on an object. A force pushes or pulls on an object, but velocity is simply something an object has I hope this makes sense to you. Hope this helps :)
Explanation:
Which one of Newton's laws of motion is the most important?
Answer:
I think it is the second law
which one of the following is a derived Si unit a. Newton, b. Meter, c. Mole, d. Kiogram
I think newton is the answer
Answer:
The right answer is Newton.Bonus answer : Note;; There is a difference between SI base units & Derived SI unit.the solubility of sugar is 30 degree Celsius at 220 what does it mean
Answer:
So, that if you put 100 mL of 30 degree water in a beaker, you could add up to 220 grams of sugar and it would eventually dissolve. In other words, that mass of sugar should dissolve in 100 mL of water to make a solution that is just saturated.
The solubility of sugar is 30° C at 220. This means 220g of sugar is dissolved in 100g of solvent to make the saturated solution at 30° C. Solutions.
What is the solution?Most frequently, the solubility is represented in terms of mass per volume of water. Solubilities are frequently stated as g/100 mL, g/100 g, or g/L of water.
The ratio you provided is probably 1 g of sugar to 100 mL of water. In other words, if you put 100 mL of water at 30 degrees in a beaker, you could add up to 220 grams of sugar, and it would finally dissolve.
To generate a solution that is just saturated, the mass of sugar should dissolve in 100 mL of water.
Therefore, at 220 degrees, sugar dissolves at 30 degrees. This indicates that to create the saturated solution at 30° C, 220g of sugar must be dissolved in 100g of solvent.
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What will most likely happen if a sound wave moves from the air through a solid? It will increasein wavelength It will decrease in speed It wil increase in speed It will decrease in wavelength.
Answer:
C. it will increase in speed
Explanation:
on edge 2020 :)
Answer:
It will increase in speed.
Explanation:
sound waves travel the fastest through solids, slower through liquids, and slowest through gases
How do electromagnetic waves affect you?
Answer:
At low frequencies, external electric and magnetic fields induce small circulating currents within the body. ... The main effect of radiofrequency electromagnetic fields is heating of body tissues. There is no doubt that short-term exposure to very high levels of electromagnetic fields can be harmful to health.
A textbook that weighs 2 Newtons is lifted 4 meters. How much work is done on the book?
Answer:
The answer is 8 JExplanation:
The work done by an object can be found by using the formula
workdone = weight × distanceFrom the question
weight = 2 N
distance = 4 m
We have
workdone = 2 × 4
We have the final answer as
8 JHope this helps you
Which is a physical property of matter that is always the same regardless of size or amount
Answer:
ntensive properties: A physical property that will be the same regardless of the amount of matter.
Explanation:
A 7kg of ball experiences a net force of 5N, what will be its acceleration.
Which of the following is NOT a likely result of regular physical activity?
Answer
decreased attention span
Explanation:
You are building a bridge, and you want to use a metal with the strongest metallic bonds. Which hypothetical element would you use? Metal A - melting point of 236 degrees Celsius Metal B - melting point of 2,678 degrees Celsius Metal C - melting point of 1,362 degrees Celsius Metal D - melting point of 800 degrees Celsius
Answer:
Metal B
Explanation:
Metallic bonds melt at high temperatures. Metal B has the highest melting point of the 4 metals given.
what is the science?
Answer:
science is something you learn
Explanation:
the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.
"the world of science and technology"
Explanation:
Science is what we do to find out about the natural world. ... Natural science makes observations and experiments. Science produces accurate facts, scientific laws and theories. 'Science' also refers to the large amount of knowledge that has been found using this process. Research uses the scientific method.
A shopping cart is initially at rest when it undergoes a constant acceleration. After
3.0 s, the cart has undergone a displacement of 15 m. What is the cart's
acceleration?
A.3.3 m/s2
B.0.83 m/s2
C.2.2 m/s2
D.68 m/s2
what is an example of a criteria
Answer:
sat scores what the other person said lol
7. A car is moving at 50.0 mph when the driver applies brakes. Determine the distance it
covers before coming to a halt. Coefficient of static friction between the tires and surface of
the road is 0.514. Mass of the car is 1000 kg.
Answer:
The distance to come to a halt is approximately 49.53 meters
Explanation:
Thee given parameters are;
The speed of the car, v = 50 mph = 22.35 m/s
The mass of the car, m = 1000 kg
The coefficient of friction, = 0.514
The force of friction of the brake = Mass × Gravity × Friction = 1000 × 9.81 × 0.514 = 5042.34 N
The initial kinetic energy of the car = 1/2×m×v² = 1/2 × 1000 × 22.35² = 249761.25 J
The work done by the brake = Force of the brake × Distance, d, to come to halt
By conservation of energy, we have;
The work done by the brake = The initial kinetic energy of the car
∴ The initial kinetic energy of the car = Force of the brake × Distance, d, to come to halt
The initial kinetic energy of the car = 249761.25 J = 5042.34 N × Distance, d, to come to halt
∴The distance to come to a halt = 249761.25 J /(5042.34 N) ≈ 49.53 meters
The distance to come to a halt ≈ 49.53 meters.
The car will cover 49.65 m distance before stopping due to application of brake.
Given data:
The mass of car is, M = 1000 kg.
The initial speed of car is, u = 50.0 mph = (50)(0.447 m/s) = 22.35 m/s.
The coefficient of static friction is, [tex]\mu = 0.514[/tex].
The given problem can be solved using the third kinematic equation of motion. Which is,
[tex]v^{2}=u^{2}+2as[/tex] ....................................................(1)
Here, v is the final speed, v = 0 (Because car is finally stopping)
s is the distance covered before stopping and a is the magnitude of acceleration.
Now, since frictional force opposes the motion. Then,
[tex]F = f\\\\ma = \mu \times m \times g\\\\a = 0.514 \times 9.8\\\\a =5.03 \;\rm m/s^{2}[/tex]
Substituting the values in equation (1) as,
[tex]0^{2}=23.35^{2}+2(-5.03)s\\\\s = \dfrac{2500}{2 \times 5.03}\\\\ s=49.65 \;\rm m[/tex]
Thus, the car will cover 49.65 m distance before stopping due to application of brake.
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1.Why is wheel and axle a simple machine?
2.What is meant by effort is multiplied?
Answer:
The wheel and axle is a type of simple machine used to make tasks easier in terms of manipulating force by applying the concept of mechanical advantage.Due to the size difference in the radius of the wheel and axle, this means that the distance the two parts rotate through in the same amount of time is different.
What is weight? and what is mass
paper craft wall hanging how is it ?
Answer:
Nice
Explanation:
In the real world could the roller coaster car reach the top of the second hill if the second hill were as high as the firsts hill
Answer: No, it couldn’t. Energy leaves the system in the form of heat as the roller coaster cars travel from the top of one hill to the next. The vehicles have less total energy, so the potential energy at the top of the second hill must also be less. The cars wouldn’t be able to achieve the height of the first hill.
Explanation: Make sure to change some of it because it's from Edmentum!!
VR OF SECOND CLASS LEVER
what is the magnitude acceleration of a body in a projectile motion at the highest point
Answer:
Zero
Explanation:
At a projectile's highest point, its velocity is zero. At a projectile's highest point, its acceleration is zero
To increase power, we need to
Explanation:
To increase power, it is necessary to decrease the work being done and decrease the time in which the work was completed. increase the work being done or decrease the time in which the work is completed.Ma
Answer:
If work is done faster, power is higher. If work is done slower, power is smaller. Since work is force times displacement (W=F*d), and velocity is displacement over time (v=d/t), power equals force times velocity: P = F*v. More power is seen when the system is both strong in force and fast in velocity.
Explanation:
In this diagram, which force is represted by L?
a. the force caused by the wings encoutering wind and air
b.the force caused by a draft of wind
c. the reaction force of wind and air that is pushed out of the way
d. the force that exists in reaction to gravity or weight
Which event is an example of condensation?
A. Wet clothes are drying on a clothesline.
B. A mirror fogs up when someone takes a hot shower.
C. Water drips from an icicle on the edge of a roof.
O D. Rain turns to sleet as it nears the ground.
Answer:
the answer to your question is b a mirror fogs up when someone takes a hot shower.
The process of conversion of gaseous water to its liquid form is called condensation. The fogs formed on the mirror from the hot shower is an example of condensation.
What is condensation?Condensation is the process of cooling up of water vapor to liquid water. Water vapor condenses when it cools. Condensation can be best understood from the reason behind raining.
When water vaporizers from resources and cools from the sky, and the vapor condenses to form liquid droplets. Similarly we can observe water droplets in the window pane due to the similar effect.
The water vapor arises from the hot shower condenses in the atmosphere and forms the drops on the mirror. Therefore, the mirror fogs up by the hot shower is an example of condensation.
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A unit is an amount used to measure something True or false
I do not know
hi I thinks the answer is Tralse
What type of bond is shown in the figure?
Answer:
ionic
Explanation:
Which describes what happens when fuel is ignited in a heat engine?
Chemical energy is converted into thermal energy.
Thermal energy is converted into solar energy.
Solar energy is converted into chemical energy.
O Thermal energy is converted into chemical energy.
Answer:
A
Explanation:
A cyclist rides at a velocity if 12m/s.if the cyclist deceleates a rate of 1.5m/s.how long will take her to reach a velocity of 3m/s?
1)identify your variables -what is what ?
2)pick your equation
3)plug in and solve
Answer:
t=6s
Explanation:
v=3m/s
u=12m/s
a=-1.5ms-²
t=?
v=u+at
3=12+(-1.5)t
3-12=-1.5t
t=3-12/-1.5
t=6s
I am not sure if me is correct.
(Please answer quickly!)
Force and energy aren't the same thing but they are closely related. explain how.
Answer:
Explanation:
Bigger pushes and pulls cause bigger changes in an object's motion or shape. When objects collide, contact forces transfer energy so as to change the objects' motions. When two objects interact, each one exerts a force on the other, and these forces can transfer energy between them.
Elements in the same group or family share important
Elements in the same group or family share important properties due to their similar electronic configurations and valence shell structure.
The periodic table is organized based on the electronic structure of atoms, specifically the arrangement of electrons in energy levels or shells. Elements within the same group or family of the periodic table have similar outer electron configurations, leading to shared properties and behaviors.
Elements in a group have the same number of valence electrons, which are the electrons in the outermost shell or energy level of an atom. Valence electrons are crucial because they determine an element's chemical reactivity and its ability to form bonds with other atoms.
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i’m about to end my life over this class I have a 46.9% right now :) do not take physics. i repeat if you’re seeing this DO NOT EVER TAKE PHYSICS.