Question

A boy weighing 45 Kg stands on a spring balance that is going down with a constant speed of 3m/s if the lift is brought to halt by a constant deceleration, in a distance of 10m, the scale reading during this period is?

Answer 1

@shubhamsrg @ajprincess @hartnn @ujjwal

Answer 2

V^2 - u^2 = 2as

-9 = 2*a*10

a = -9/10

Answer 3

@mukushla

Answer 4

R1 = m(g-a)

Answer 5

sorry im busy

Answer 6

man..just a minute plzz