Aprojectile of mass 0.913 kg is shot straight up with an initial speed of 16.3 m/s. (a) how high would it go if there were no air resistance? (b) if the projectile rises to a maximum height of only 7.66 m, determine the magnitude of the average force due to air resistance.

In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door

Based on this activity, is kinetic energy always transformed into potential energy?

Arope has one end tied to a vertical support. you hold the other end so that the rope is horizontal. if you move the end of the rope back and forth with a frequency of 4 hz, the transverse wave you produce has a wavelength of 0.5 m. what is the speed of the wave in the rope?