A stone is dropped from the edge of a roof, and hits the ground with a velocity of -140 feet per second. How high (in feet ) is the roof?

A car accelerates from 15.0 m/s to 35.0 m/s in 10.0 s. What would be the speed of the car after an additional 6.0 s?

A physics 151 student at the top of a building drops water balloons from the edge. A stop watch indicates it takes 1.20 seconds for the balloon to hit the ground. In units of feet how tall is the building? Round final answer to 2nd decimal places. At the end of the problem you must state which direction you choose to be positive.

A bus has an initial speed of 10 m/sec. It is picking up speed with an acceleration of 6 m/sec/sec over the next 5 seconds. O Give the speed of the car in m/sec at each second.

You’re holding on to a helicopter that is 10 m above water. You then let go and hit the water after 4s. What was the initial velocity of the helicopter ?

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Please answer the following: A speed boat accelerates constantly from -10.5 m/s to -75.1 m/s in 4.47 seconds. What is the boat's displacement?

Barbara serves the volleyball to Patricia with an upward velocity of 24.5 ft/s. The ball is 5 feet above the ground when she strikes it. How long does Patricia have to react, before the volleyball hits the ground? Round your answer to two decimal places.

A rock is ejected from a volcano with an inital velocity of 43.8 m/s. How high will the rock reach before falling down? Air resistance doesn't have an effect.

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