Kinematics
A person walks 5m East, then 3m West. What is the displacement?
A car travels 100m in 10s. What is its average velocity?
A runner runs 400m in 60s, then walks back 100m in 30s. Find the average velocity for the entire trip.
A bike accelerates from 5m/s to 15m/s in 5s. What is the average acceleration?
A car slows down from 20 m/s to 5 m/s in 5 seconds. Calculate the average acceleration.
A car starts from rest and accelerates to 20 m/s in 5 seconds, then maintains that speed for 10 seconds. What is the average velocity and average acceleration for the whole journey?
A car is moving at a constant speed around a circular track. Is it accelerating?
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A car accelerates from rest and enters a roundabout. Describe the acceleration.
Given , find at .
Given , find the time when the velocity is zero.