Mechanic HW
When a car of mass 900 kg has its engine working at a constant rate of 7.35 kW, the car can climb a hill of a slope which makes an angle of θ
to the horizontal, where sinθ=163
, at a constant speed of 15 ms-1.
Find the resistance to the motion of the car. Answer
N
What is the maximum speed of the car if it were to go down the same hill, assuming the resistances remain the same and the engine is working at the same rate? Answer
ms-1
to the horizontal, where sinθ=163
, at a constant speed of 15 ms-1.
Find the resistance to the motion of the car. Answer
N
What is the maximum speed of the car if it were to go down the same hill, assuming the resistances remain the same and the engine is working at the same rate? Answer
ms-1
The value for sin@ is wrong
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