Physics A (9-1) - Gateway Science Suite J249 9-1: Forces 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…

A vehicle is travelling at 30 m/s. The vehicle travels 75 m while decelerating to a stop. What is the deceleration of the vehicle? Use the Equation Sheet. A $ 2.5 \, \text{m/s}^2 $ B $ 6.0 \, \text{m/s}^2 $ C $ 12 \, \text{m/s}^2 $ D $ 24 \, \text{m/s}^2 $

An athlete runs around a circular running track at a constant speed. (a) Explain why the athlete’s velocity is not constant. [1] (b) The work done by the athlete after completing one lap of the track is 3000 J. It takes the athlete 60 s to complete one lap. Calculate the power of…