Question

A car started its motion with velocity 20m/s and after 4sec it reached to velocity 40m/s. find the acceleration of car ​

Answer 1

Explanation:

Acceleration is a measure of the change in velocity over time. The cars change in velocity is 40m/s−20m/s=20m/s Since this change in velocity takes place over 4 seconds, the cars acceleration is

=

Δt

Δv

=

4s

20m/s

=5m/s

2

Answer 2

Answer:

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