Question

A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 30...

A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 30 m high. When it hits the ground at the base of the cliff, the rock has a speed of 31 m/s . You may want to review (Pages 234 - 241) .A 0.26-kg rock is thrown vertically upward from the top of a cliff that is 30 m high. When it hits the ground at the base of the cliff, the rock has a speed of 31 m/s . You may want to review (Pages 234 - 241) .

Assuming that air resistance can be ignored, find the initial speed of the rock.

Find the greatest height of the rock as measured from the base of the cliff.

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
An object is thrown vertically upward with a speed of 40 m/s from the top of...
An object is thrown vertically upward with a speed of 40 m/s from the top of a cliff. It reaches a maximum height of 230 m with respect to the ground. How high is the cliff from the ground
rock thrown upward with an initial speed of 24.5 m/s from the top of a 50m...
rock thrown upward with an initial speed of 24.5 m/s from the top of a 50m tower. a. what's the rockets velocity the instant it hits the ground? b. how long is it in the air? c. what's the max height above the building the ball reaches?
A rock is thrown downward with a speed of 10.7 m/s from the top of a...
A rock is thrown downward with a speed of 10.7 m/s from the top of a cliff which height is 234 m. What was the time for the rock to reach the bottom of the cliff? (g = 9.59 m/s2 and assume air resistance is negligible)
A rock is thrown from the top of a cliff with height h and the sound...
A rock is thrown from the top of a cliff with height h and the sound of the rock hitting the ground is heard 20 seconds from when the rock is thrown. What is the height of the cliff? (temperature=0 degrees Celsius) Use Total Time=20 seconds= time for the rock to hit the ground + time for sound of rock to reach the person at the top of the cliff.
A rock is thrown from the top of a building 80 m high, with a speed...
A rock is thrown from the top of a building 80 m high, with a speed of 14 m/s at an angle 25 degrees above the horizontal. When it hits the ground, what is the magnitude of its velocity (i.e. its speed).
A stone is thrown from the top of a cliff with the initial velocity of 20.0...
A stone is thrown from the top of a cliff with the initial velocity of 20.0 m/s straight upward. The cliff is 50.0 m high and the stone just misses the edge of the cliff on its way down. Determine (a) the time needed for the stone to reach its maximum height; (b) the maximum height, as measured from the ground; (c) the time needed for the stone to return to the level of the thrower; (d) the velocity of...
A boy kicks a rock off a cliff with a speed of 18.2 m/s at an...
A boy kicks a rock off a cliff with a speed of 18.2 m/s at an angle of 54.0° above the horizontal. The rock hits the ground 5.21 s after it was kicked. How high is the cliff? What is the speed of the rock right before it hits the ground? What is the maximum height of the rock in the air, measured from the top of the cliff
Rock thrown off a cliff You want to know the height of a cliff so you...
Rock thrown off a cliff You want to know the height of a cliff so you throw a rock off the edge with an initial speed of 18.5 m/s inclined at an angle 30.3° above the horizontal. You have a friend that records that it takes 3.4 s for the rock to hit the bottom of the canyon after it is thrown. For the following questions, call up the positive y direction and make the positive x direction horizontal and...
A ball, mass is 8 kg, is thrown from the top of a 30 m cliff...
A ball, mass is 8 kg, is thrown from the top of a 30 m cliff with a velocity of 20 m/s straight up. The ball misses the cliff on the way down. Ignore air resistance. Use work and conservation of energy to find the following values. a. what is the work done by gravity while the ball is in the air? b. what is the maximum height of the ball? c. what is the magnitude of the velocity just...
URGENT A ball is thrown vertically upward from the edge of a cliff, with an upward...
URGENT A ball is thrown vertically upward from the edge of a cliff, with an upward velocity of 20 m/s. On its way back down, it just misses the end of the cliff. (a) Find the position and velocity of the ball 1 s and 4 s after it is thrown; (b) Find the velocity of the ball when it is 5 m above the flat surface of the cliff. Write the magnitude of the velocity in the Answer box...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT