PLEASE HELP A 64.0-kg male ice skater is facing a 42.0-kg female ice skater. They are at rest on the ice. They
push off each other and move in opposite directions. The female skater moves backwards with a
speed of 3.11 m/s. Determine the speed of the male skater (after collision)

Aman tries to push a box of mass 4 kg with a force of 5 n but the box remains stationary if the coefficient of static friction is 0.45, what is the value of the maximum force of friction?

Abanked road comer of radius 146 m is to be constructed. if the comer is designed for vehicles moving with a speed of 20.0 m/s, what should the banking angle be, in units of degrees?

Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.