Context for question 1A car of mass 960kg is moving on a straight horizontal road. There is a constant force of magnitude 620N resisting the motion of the car.
1(a)Work Energy PowerEasy2 marksCalculate the power developed by the engine of the car when it is moving at a constant speed of 25m/s.P=WGrade answerSolutionGrading criteria
1(b)Work Energy PowerEasy2 marksGiven that the power is suddenly increased by 12kW, find the instantaneous acceleration of the car.a=m/s2Grade answerSolutionGrading criteria