2 A mountain climber is sliding down a vertical rope Her

Last updated: 6/25/2023

2 A mountain climber is sliding down a vertical rope Her total mass including equipment is 65 kg By adjusting frictional force of the rope she controls the force that the rope exerts on her For a 2 0 s interval this force T is shown as a function of time t in the given graph What is change in her speed in this interval Assume acceleration of free fall to be 10 m s and neglect air resistance a 5 m s c 15 m s b 10 m s d 20 m s 3 A boy of mass 50 kg is standing at one end of a 90 m long boat of mass 650 325 ATIN 0 2 tls 2 0