Un chico de 28 kg se desliza por un tobogán de 3 m de altura. Llega a la parte inferior con una velocidad de 2,5 m/s. Si el tobogán está inclinado 20o, calcula la fuerza de roce entre el chico y el tobogán.

Suppose you were asked to find the torque about point p due to the normal force n in terms of given quantities. which method of finding the torque would be the easiest to use?

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.