A body is moving initially at 4m/s. If it's impulse after accelerating at 5m/s\(^2\) for 2s is 60Kgms\(^{-1}\). What is its mass?

d25

2 months ago

Impulse= Force x Time
Force =Mass x Acceleration
So F , Force = Impulse ÷ Time
= 60 ÷ 2 = 30
From F= ma

:m= F÷a
= 30 ÷ 5= 6
Therefore mass = 6

King33Victor

2 months ago

nwa

King33Victor

2 months ago

omor see werey question