one side of a vertical garden fence has an area of 4 squared .A strong wind blows on one side of the fence and increases the pressure to 105Kpa on the other side of the fence the pressure is 103Kpa what is the resultant force on the fence

Write short note on the following ; collision theory, rotation angle and angular velocity, centripetal acceleration, coriolis force, and newton's law of gravitation.

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.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.