Key in the motion answer

Exercise and reference answers

Questions

1. Answer

   5

   Question

   A body moves 60 m in 12 s. What is its average speed in metres per second?

2. Answer

   140

   Question

   A car goes 100 m forward then 40 m back. What is the path length in metres?

3. Answer

   60

   Question

   For that same car, what is the magnitude of the displacement in metres?

4. Answer

   5

   Question

   Velocity goes from 0 to 20 m/s in 4 s. What is the acceleration in m/s squared?

Instructions

Work out each answer and key it in on the pad.

Explanation