A box takes 350 N to start moving when the coefficient of static friction is 35. What is the weight of the box?

6–55 refrigerant-134a enters the condenser of a residential heat pump at 800 kpa and 358c at a rate of 0.018 kg/s and leaves at 800 kpa as a saturated liquid. if the compressor consumes 1.2 kw of power, determine (a) the cop of the heat pump and (b) the rate of heat absorption from the outside air.

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?