Question

An 8.0 kg rock is dropped from a height of 7.0 m. What is the kinetic...

An 8.0 kg rock is dropped from a height of 7.0 m. What is the kinetic energy of this rock as it hits the ground?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A rock is dropped, from rest, from a height of 8.9 m above the ground at...
A rock is dropped, from rest, from a height of 8.9 m above the ground at t = 0 s. At the same time that the rock is dropped a stone is thrown upward from a height of 1.1 m above the ground at a speed of 7.1 m/s. The stone travels straight upward toward the rock. There is no air resistance. a. Determine the height above the ground where the rock hits with the stone. Blank 1. Calculate the...
a mass if 48.0 kg is dropped from a height of 29.0 m. what is the...
a mass if 48.0 kg is dropped from a height of 29.0 m. what is the kinetic and potential energy when it is a) dropped b) half way to the ground c) about to strike the ground
A heavy rock and a light rock are dropped from the same height and experience no...
A heavy rock and a light rock are dropped from the same height and experience no significant air resistance as they fall. Which of the following statements about these rocks are correct? (There could be more than one correct choice.) -The heavier rock reaches the ground before the lighter rock. -Both rocks have the same kinetic energy when they reach the ground. -When they reach the ground, the heavier rock has more kinetic energy than the lighter rock. -Both rocks...
A ball of mass 0.4 kg is lifted up to a height of 10 m. what...
A ball of mass 0.4 kg is lifted up to a height of 10 m. what is the ball's potential energy at this point? if the ball is dropped from the rest at this height, what is the ball's speed just before it hits the ground. if the force of air resistance is 0.1 N, what is the ball's speed just before it hits the ground?
If a object of mass m is dropped from rest from a height h in free...
If a object of mass m is dropped from rest from a height h in free fall motion, what is the kinetic energy when it is a height h/4 above the ground?
A 2.33 kg ball is dropped from a height of 3 m.  The ball then bounces back...
A 2.33 kg ball is dropped from a height of 3 m.  The ball then bounces back upward a distance of 2.2 m. How much energy was lost in the collision with the ground? 50.2 J 18.3 J 68.5 J 118.7 J A 2.33 kg ball is dropped from a height of 3 m.  The ball then bounces back upward a distance of 2.2 m. How much momentum does the ball have immediately after bouncing off the ground? 5.13 kg m/s 21.6...
A rock is dropped from a height of `20 meters at the same time one is...
A rock is dropped from a height of `20 meters at the same time one is thrown upward from the ground level at 24 m/sec. What is the height when they pass each other?
A 4.0 kg mass starting at rest is dropped from a height of 120 m above...
A 4.0 kg mass starting at rest is dropped from a height of 120 m above the surface of the Earth. As it falls it experiences an air resistance of 13 N. Just before it strikes the ground, determine the change in potential energy ΔU, the work done by the air W, the final kinetic energy Kf, and its final speed vf
A 4.0 kg mass starting at rest is dropped from a height of 120 m above...
A 4.0 kg mass starting at rest is dropped from a height of 120 m above the surface of the Earth.  As it falls it experiences an air resistance of 13 N.  Just before it strikes the ground, determine the change in potential energy ΔU, the work done by the air W, the final kinetic energy Kf, and its final speed vf.
A 1-kg ball is released from a height of 6 m, and a 2-kg ball is...
A 1-kg ball is released from a height of 6 m, and a 2-kg ball is released from a height of 3 m. Air resistance is negligible as they fall. Which of the following statements about these balls are correct? (There could be more than one correct choice.) Both balls will reach the ground with the same speed. As they reach the ground, the 1-kg ball will have more kinetic energy than the 2-kg ball because it was dropped from...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT