What thrust does a 360 g model rocket need in order to have a vertical acceleration of 13.0 m/s2 on the earth?

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.

If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little