Yea I've got the weights right, with the 55 and 40kg, I figured that part out. What I can't get is what the three questions are asking. Part C i got as being 120N but don't know what to use in a) and b)
Homework Statement
Peter and John are playing a game of tuf-of-war on a frictionless icy surface. Peter weighs 539N and John weighs 392N. DUring the course of the game, John accelerates toward Peter at a rate of 2.0m/s^2.
a) What is the magnitude of the force that Peter exerts on John...
Homework Statement
Instead of calculating apparent depth (for example, a penny in a glass of water appears to be closer to the surface than it actually is), instead of finding the angle of refraction and using snell's law, can I use the following:
Apparent Depth = Actual Depth x (n air / n...
Homework Statement
" A car starts from rest and accelerates @ 4.0m/s^2 [E]. A truck with a constant velocity of 90.0km/h [E] overtakes and passes the car.
a) how far beyond the starting point is the car after 10.0 s?
How far beyond the starting point is the truck after 10.0s?
c) The car...