Question

A car starts from rest and rolls down a hill with constant acceleration. It travels a distance of 800m in 10
seconds.
(i)
Find its acceleration (ii) Also Find the force acting on it if its mass is 800kg

plzz ans this que​

Answer 1

Answer:

Initial velocity, u = 0

Distance travelled, s = 800 m

Time taken, t = 10 s

We know, s = ut + ½ at2

Or,800 = 0 + ½ a (10)2

Or, a =16 m/s^2

Now, m = 800kg, a = 16m/s^2

Or, F = ma = 800× 16= 12,800 N Ans.

Explanation:

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