You drop a stone into a well and note that it takes 2.00 seconds to hit the bottom. how deep is the well

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?