Physics, 16.09.2021 14:50 isabelle1670
(b) The train now travels with a constant speed of 24 m/s along a straight honzontal track The total force opposing the motion due to friction and air resistance is 72 - 10^N
(0) By considering the work done by the train's engine in 10s, calculate its output power powers 12]
(10) The train begins to travel up a slope Explain why the power of the train's engine must be increased to maintain the speed of 24 m/s​
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(b) The train now travels with a constant speed of 24 m/s along a straight honzontal track The total...
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