can someone please help me with this physics question?Watch
A child of mass 32 kg jumped from the swing.
When the child reached the ground she took 180 milliseconds to slow down and stop.
During this time an average force of 800 N was exerted on her by the ground.
Calculate the velocity of the child when she first touched the ground.
rember to convert from ms to s. hope this helps.
Force x time = mass x velocity
Velocity = ( force x time ) / mass
180 milliseconds is 0.18s
800 x 0.18 / 32 = 4.5 m/s