What temperature is required to transfer waste heat to the environment for a heat engine to be 100 percent efficient? a) 0°c b) 0 k c) 273 k d) 212°f

Using the free-body diagram, calculate the net force acting on the sled. is the sled in a state of dynamic equilibrium?

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?

Acharged particle moves in a circular path in a uniform magnetic field.which of the following would increase the period of the particle's motion? check all that apply.increasing its chargeincreasing its massincreasing the field strengthincreasing its speed