Human power can be used to generate electricity by connecting a bicycle to a generator. the efficiency of the bicycle and generator together is 0.6. a man riding the bicycle has a power output of 220w.
calculate the power output of the generator.

132 W

Explanation:

Efficiency = power out of generator / power into generator

0.6 = P / 220 W

P = 132 W

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

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the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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