An electric motor has an input power of 160 W. In raising a load, 120 W of power is dissipated. How long would it take to vertically lift a 400. N bag of cement through 10.m Give your answer in seconds.
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a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..