Which of the following physical quantities is a vector quantity?
Pearson Edexcel GCSE (9-1) · Physics (1PH0)
Speed, acceleration and equations of motion: Practice Questions
5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Speed, acceleration and equations of motion.
A car of mass \(1200\text{ kg}\) is travelling at a constant velocity. A resultant force of \(3000\text{ N}\) is applied to the car in the direction of its motion. Calculate the acceleration of the car.
A rocket of mass \(2000\text{ kg}\) is launched vertically. Its engines produce a constant upward thrust of \(25000\text{ N}\). Calculate the acceleration of the rocket at the moment of launch.
(Assume \(g = 10\text{ N/kg}\))
A student observes a car moving along a straight road. The car travels a distance of \(450\text{ m}\) in a time of \(30\text{ s}\). Calculate the average speed of the car.
An object is moving in a circular path at a constant speed. Which of the following statements is incorrect regarding its motion?
A car travels a distance of 1500 metres in 60 seconds. Calculate the average speed of the car.
Write your answer out first, then check it against the worked solution.
A runner accelerates from rest to a velocity of \(6\text{ m/s}\) in a time of \(3\text{ seconds}\). Calculate the acceleration of the runner.
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A resultant force of \(20\text{ N}\) acts on an object of mass \(4\text{ kg}\) for \(5\text{ seconds}\). Calculate the change in momentum of the object.
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A delivery van travels along a straight road. It travels at a constant speed of \(12\text{ m/s}\) for \(20\text{ seconds}\) and then accelerates uniformly to a speed of \(18\text{ m/s}\) over the next \(10\text{ seconds}\).
(a) Calculate the distance travelled by the van while it was moving at a constant speed.(b) Calculate the acceleration of the van during the final \(10\text{ seconds}\).
Write your answer out first, then check it against the worked solution.
A ball is thrown vertically upwards with an initial velocity of \(15\text{ m/s}\). Ignore air resistance. Use \(g = 10\text{ m/s}^2\).
(a) Calculate the time it takes for the ball to reach its maximum height.(b) Calculate the maximum height reached by the ball.
(c) Sketch a velocity-time graph for the ball from the moment it is thrown until it returns to its starting position. Describe the gradient of this graph.
Write your answer out first, then check it against the worked solution.
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