Question

11.
A truck tows a trailer of mass 1200 kg at a steady speed of 10ms' on a level road. The tension in the
coupling is 1000 N. So the power expanded on the trailer is
a) 10- W
b) 106W
c) 10-W
A water pump lifts water from a level 10 m helow the mund Water is pumped at a rate of 30 kg/minute
d) 10W
6.
2.​

Answer 1

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