Question

what will be velocity of a car if it accelerated at 20m/s^2 after 10 sec of start from rest.
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Answer 1

$\huge\tt{\underline {Question :- }}$

A car starts from rest and picks up a velocity of 20 m/s in 10 seconds. What is its displacement and acceleration?

$\huge\tt{\underline {Answer:- }}$

Calculating the acceleration:

V = u +at

20m/s = 0 + a*10s

a = 20m//10s

a = 2m/s²

Now,

From the data given , it is not possible to calculate the displacement , because no direction of motion is given

But it is possible to calculate the distance travelled

Distance = ut + ½ *a*t²

distance = 0 + ½ * 2m/s * 10²s

distance = 100m

Therefore, the acceleration is 2m/s