Kidus
This page lists questions and answers that were posted by visitors named Kidus.
Questions
The following questions were asked by visitors named Kidus.
Answers
The following answers were posted by visitors named Kidus.
Thanks, really helpful
5 years ago
Given Vi=60km/h = (60/3.6) = 16.7m/s Vf=0m/s d=35m a= (vf^2 - vi^2)/t = (0^2 - 16.7^2)/35 = -3.95m/s^2 Fnet=ma =1250 x (-3.95) =-4960.3 Fn=Fg=mg =(1250kg)(9.8m/s^2) =12250 Fapp= 0N Ff =Fapp-Fnet =0-(-4960.3) =4960.3 mu =Ff/fn =4960.3/12,250 mu =0.4
3 years ago
The ball lands to the ground with 6 m/s so, 6 m/s × 4kg = 24kg m/s It bounce off and goes up so the same 24 change in momentum so 24+24 =48
3 years ago
What are the reason for the Olympic game to be largest of all sport event
3 years ago