a 5 kg mass 20 kg mass are connected by a light inextensible string which passes over a light frictionless pulley initially the 5 kg mass is held stationary on a horizontal surface whilethe 20 kg mass hangs vertically downwards, 6m above the ground. a, calculate the acceleration of the 20kg mass

Which lists the fundamental forces in order, from strongest to weakest? strong nuclear, weak nuclear, electromagnetic, gravitational strong nuclear, electromagnetic, weak nuclear, gravitational gravitational, weak nuclear, electromagnetic, strong nuclear electromagnetic, gravitational, strong nuclear, weak nuclear

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.

Photons with the highest energy have the longest period