大象传媒

Questions - higher

Example

Describe this journey in as much detail as possible.

Give values for velocities, acceleration and displacements.

A velocity-time graph. The line is split into 2 parts. It starts at time 0 and velocity 12 and continues at the same velocity for 20 seconds. From 20 to 30 seconds the velocity decreases from 12 to 0.

Question

Describe the motion of the car during the first 20 s.

Question

What is the displacement of the car after 20 s?

Question

Calculate the deceleration of the car from 20 s to 30 s.

Question

How far does the car move while decelerating?

Question

What is the average velocity of the car during its entire journey?

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