a car starts from rest and travels upwards along a straight road inclined at an angle of 5.0 degrees to the horizontal, as illustrated in Fig. 2.1.
The length of the road is 450m and the car has a mass 800 kg. the speed of he car increases at a constant rate and is 28ms^-1 at the top of the slope.
2. the time taken to travel the length of the slope
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