U2.2 – Constant Acceleration & Freefall

8

Constant Acceleration and Freefall

1 / 12

Which is the SI unit for acceleration?

2 / 12

A sandwich falls from an Air Traffic Control (ATC) tower of height 102 m. How long will it take to hit the ground?

3 / 12

Which is the correct definition for acceleration?

4 / 12

Which is the correct definition for velocity?

5 / 12

A rugby player accelerates steadily from rest at 1.82 ms-2 for 4 seconds. Calculate their final speed.

6 / 12

A cyclist has a constant negative acceleration as approaches a café. She takes 5.5 seconds to come to a complete stop and travels 26 m. Calculate her initial speed.

7 / 12

A nurse journeys through a hospital ward on a crash call. From a stationary position, he takes 16 seconds to complete the 60 m corridor. Calculate his acceleration.

8 / 12

A diver steps off the end of the 10 m board, free falls, then hits the water before travelling underwater 4 m in 2 seconds. Calculate his speed upon hitting the water. g = 9.81 ms-2

9 / 12

A paratrooper jumps from an aircraft. Assuming no air resistance, she accelerates due to gravity for 12 seconds before deploying her parachute. Calculate how far she falls from the aircraft until she deploys her parachute.

10 / 12

A climber falls from a rock face and accelerates due to gravity for 3 seconds before his rope stops his fall. What distance did he fall?

11 / 12

Which image sequence best shows the motion of a iPhone being dropped from rest?

12 / 12

A train leaves the station and accelerates at a constant rate, a. After time t its velocity is v. What was the trains velocity at 4t?

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