Physics A (9-1) - Gateway Science Suite J249 9-1: Energy Topical Past Paper Questions

(a) The Earth orbits the Sun. Which statement is correct? Tick (✓) one box. The direction of the velocity of the Earth is towards the Sun. The Earth is accelerating. The Earth's velocity is the same as its speed. The velocity of the Earth stays constant. ## (b) All objects emit r…

0.090 J of energy is transferred when stretching a spring. The spring constant of the spring is 50 N/m. What is the extension of the spring? Use the Equation Sheet. A 0.0036 m B 0.030 m C 0.060 m D 0.084 m

Two springs are used to make a catapult. The catapult is used to shoot a ball vertically upwards. The diagram shows the ball and catapult at different stages: (a) At P the extension of each spring is 0.2 m. The spring constant of each spring is $ 40 \, N/m $. Calculate the total…