F=147N;
Acceleration=9.8m/s2;
Mass=15kg
Answer:
Explanation:
given,
initial speed of the car, v₁ = 17 m/s
final speed of the car, v₂ = 0 m/s
car stops in time = 3 s
we need to calculate average speed
average speed of the car during interval of 3 s is 8.5 m/s
Answer:c
Explanation:
the rate of reaction increases as temperature increases
Coal is burned and is used to boil water, which in turn produces steam. Now this steam is passed through nozzles. The steam turns a steam turbine. Now the turbine is coupled to a generator. Generator is an electro magnetic device used for conversion of mechanical energy into electrical energy. So in the generator a voltage difference is created and converted into electrical.
Hope this help : )
The anwser would be A
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