A box of mass m is held at rest on a frictionless surface with force F up the ramp. The ramp has an angle What is the magnitude of the normal force?
Choose 1

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

What is special about a dc circuit ?

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is