How much power does a crane lifting 250 N a distance of 150 m up in 30.0 seconds need to generate?

Apropane torch is lit inside a hot air balloon during preflight preparations to inflate the balloon. which condition of the gas remains constant

According to the passage, which of these is true about gray water systems? a) gray water systems use plants that require less water. eliminate b) gray water systems require the use of less fossil fuels. c) gray water systems reduce the amount of fresh water used. d) gray water systems reduce the amount water used by shower heads.

Which example is a mechanical wave?     a.microwave    b.radio wave    c.water wave    d.ultraviolet light