Physics Past Questions and Answers

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From the velocity-time graph shown above, which of the following quantities CANNOT be determined?

A rocket is fired from the earth’s surface to a distance planet. By Newton's law of universal gravitation, the force F, will _____________

An object move in a circular path of radius 0.5m with a speed of ims.
What is its angular velocity?

From the diagram above, calculate the work done when the particles moves from x=O0m to x=80m.

A pinhole camera is placed 300m in front of a building so that the image is formed on a screen 5cm from the pinhole. If the image is 2.5cm high, the height of the building will be _____________