Question

(ii) Describe how the acceleration of the train at time t = 100 s differs from the acceleration
at time t = 20 s.​

Answer 1

Explanation:

Acceleration is the rate of change of velocity with time. When acceleration increases a body moves a faster velocity.

• In the graph acceleration at time t= 100s is rapidly increasing.
• At t = 20s, the acceleration of the body is getting started up.

A vehicle at time 100s will have a faster velocity compared to one at t = 20s