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Sati [7]
2 years ago
12

Which of the following is a true statement about learning?

Physics
1 answer:
Furkat [3]2 years ago
3 0

Answer:

B. learning happens through experience and practice.

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Kingda Ka has a maximum speed of 57.2 m/s. Determine the height of the hill on this roller coaster. Explain to get full credit,
kodGreya [7K]

This question involves the concepts of the law of conservation of energy, kinetic energy, and potential energy.

The height of the hill is "166.76 m".

<h3>LAW OF CONSERVATION OF ENERGY:</h3>

According to the law of conservation of energy at the highest point of the roller coaster ride, that is, the hill, the whole (maximum) kinetic energy of the roller coaster is converted into its potential energy:

Maximum\ Kinetic\ Energy\ Lost = Maximum\ Potential\ Energy\ Gain\\\\&#10;\frac{1}{2}mv_{max}^2=mgh\\\\&#10;h=\frac{v_{max}^2}{2g}

where,

  • h = height of the hill = ?
  • v_{max} = maximum velocity = 57.2 m/s
  • g = acceleration due to gravity = 9.81 m/s²

Therefore,

h=\frac{(57.2\ m/s)^2}{2(9.81\ m/s^2)}\\\\&#10;

<u>h = 166.76 m</u>

Learn more about the law of conservation of energy here:

brainly.com/question/101125

7 0
2 years ago
Two people on skateboards, Brian and Amy, push off from each other. Brian has more mass than Amy. Who experiences a larger force
amm1812
Amy because she is lighter, so the more force will be put on her
4 0
3 years ago
Edwin Hubble was one of the first scientists to show that galaxies are getter farther apart from each other. (A.) True (B.) Fals
lara [203]
The answer is A: True 


 i hopes this helps :D
5 0
3 years ago
Read 2 more answers
Which is heavier a pound of bricks or a pound of feather
Shkiper50 [21]

Answer:

pound of bricks

meh wrong ? XD

4 0
2 years ago
Read 2 more answers
A car is moving at 14 m/s. After 30 s, its speed inncreased to 20 m/s. What is the acceleration over time
Juli2301 [7.4K]

Answer:

0.2 m/s^2

Explanation:

initial speed 14m/s

final speed 20m/s

acceleration:

(20m/s - 14m /s) /30s = (6m/s)/30s = 0.2 m/s^2

7 0
2 years ago
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