Physics Question Practice - CH 2 Motion in One Dimension

good luck!

During a race on level ground, Andrea runs with an average velocity of 6.02 m/s to the east. What is Andrea’s displacement after 137 s?

825m to the east

A shuttle bus slows down with an average acceleration of 1.8 m/s2. How long does it take the bus to slow from 9.0 m/s to a complete stop?

5.0m/s

A racing car reaches a speed of 42 m/s. It then begins a uniform negative acceleration, using its parachute and braking system, and comes to rest 5.5 s later. Find the distance that the car travels during braking.

120m

A barge moving with a speed of 1.00 m/s increases speed uniformly, so that in 30.0 s it has traveled 60.2 m. What is the magnitude of the barge’s acceleration?

6.71 × 10^-2 m/s²

A school bus takes 0.530 h to reach the school from your house. If the average velocity of the bus is 19.0 km/h to the east, what is the displacement?

10.1 km to the east

A small first-aid kit is dropped by a rock climber who is descending steadily at 1.3 m/s. After 2.5s, what is the velocity of the first-aid kit, and how far is the kit below the climber?

24.125m

A small fish is dropped by a pelican that is rising steadily at 0.50m/s. After 2.5s, a) what is the velocity of the fish? b) how far below the pelican is the fish after 2.5s?

a)