Question 22 (3 points) A moving object has 50 Joules of potential energy and has a mass of 10 kilograms.
What is the formula used to solve for its height off the ground (blank 1)? How high is
the object from the ground in meters if gravity is 9.8 meters per second squared
(blank 2)?
2
Blank # 1
A
15
Blank # 2
A

If a simple machine reduces the strength of a force, what must be increased?

What is the major limitation to the light microscope?

Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s