Question

in how much time an object having mass of 100 kg will speed up from 5 metre per second 25 metre per second is 500 newton force will be applied on it​

Answer 1

Answer:

Time = 4 seconds

Explanation:

Force = Mass x Acceleration

F = m x a

f = m x ( v - u ) / t

500 = 100 x ( 25 - 5 ) / t

500 x t = 100 x 20

t = 4 seconds

[ m = mass, u = initial velocity, v = final velocity, f = force, t = time ]

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Answer 2

Answer:

f = ma

[ a = v - u / t ]

f = m * v - u / t

500N = 100kg * 25m/s - 5m/s / t

500N = 2000kgm/s / t

500N*t = 2000kgm/s

t = 2000kgm/s. / 500N

t = 4s

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