Question

a body of mass 3kg uniformly retards from 40 m/s to 10m/s in 10s.find the retarding force.​

Answer 1

The answer is:



Gaye hamaari mata h humme kuch nhi aata hai

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Answer 2

Explanation:

m = 3kg

v = 40m/s

u = 10m/s

t = 10s

F = ma

F = m( v - u ) / t [ a = v - u /t

= 3( 40 - 10 ) / 10

= 30 ×3

= 90N

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