Question

A mountain climber is sliding down a vertical rope.Her total mass including the equipments is 65 kg.By adjusting the friction on the rope, she controlsthe tension force on the rope as a function of timeis shown in the fig. The speed of the mountaineerat the end of 2 sec if she starts from rest is [Takeg= 9.8 ms )T(N)637312t(sec)(A) 2.25 ms(C) 5 ms(B) 4.5 ms(D) 2.5 ms​

Answer 1

Answer:

B) 4.5 ms is answer dear friend