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Name: _____________________________ 1. A distance of 0.018m is how many centimeters? (A) 0.18cm (B) 1.8cm (C) 18cm (D) 180cm 2. A speed of 22km/hr expressed as m/s is Year 10 Physics Term 3 Interim Test 7. On the moon, the acceleration of gravity is 2m/s/s (downwards). A pen is dropped from rest. What is its speed 2 seconds later just as it hits the lunar surface? (A) 1m/s (B) 2m/s (C) 4m/s (D) 19.6m/s (A) 6.11m/s (B) 79.2m/s (C) 22m/s (D) 366.67m/s 3. A student travels 12km by bus to school in the morning. The trip takes 12 minutes. What is their average speed? (A) 1m/s (B) 10.1m/s (C) 16.7m/s (D) 20.3m/s 4. How far does a car moving at 100km/hr travel in 2 minutes? (A) 3m (B) 33m (C) 333m (D) 3333m 5. How long does it take for a car traveling at 85m/s to cover a distance of 15km? (A) 6s (B) 1275s (C) 176s (D) 221s 6. A dragster accelerates at a constant rate from rest to 55.56m/s in 12s. What was their acceleration? (A) 2400m/s/s (B) 16.6m/s/s (C) 9.8m/s/s (D) 4.6m/s/s 8. The ticker tapes shown were pulled from right to left. The motion of the top ticker tape here is (A) Speeding up (B) Slowing down (C) constant velocity (D) not moving 9. The motion of the bottom ticker tape here is (A) Speeding up (B) Slowing down (C) constant velocity (D) not moving 10. The time between dots is 0.02 sec. Using the ruler shown (marked in cm) what is the average speed of the top tape? (A) 85cm/s (B) 17cm/s (C) 0.34cm/s (D) 12cm/s 11. What is the average speed of the bottom tape? (A) 0.8cm/s (B) 8cm/s (C) 80cm/s (D) 800cm/s 16. A pen is dropped from rest and accelerated by gravity on Earth. How far has it dropped in 2s? (ignore air resistance) (A) 9.8m (B) 19.6m (C) 12m (D) Can’t be calculated - insufficient information. 17. A ball is thrown straight upwards into the air at 6m/s. How long before it reaches its peak height? v (ms -1 ) (A) 0.612s (B) 0.455s (C) 0.843s (D) Can’t be calculated - insufficient information. 31.4 t (s) 0 7 10 20 22 30 34 40 12. Describe the motion of the object producing this Velocity-Time graph. (A) Moving up, staying still, moving down (B) speeding up, stopped, slowing down (C) speeding up, constant speed (D) speeding up, constant speed, slowing down 13. How far did this object move in the time from 7s to 22s? (A) 471m (B) 690.8m (C) 2.09m (D) 15m 14. How far did this object move in the time from 0s to 7s? (A) 53.4m (B) 439.6m (C) 219.8m (D) 109.9m 15. Use the velocity-time graph above to calculate the acceleration of the object from 0 to 7 sec. (A) 4.49m/s/s (B) 439.6m/s/s (C) 219.8m/s/s (D) 109.9m/s/s 18. A net force of 12N is applied to a ball of mass 800g. What is its acceleration? (A) 15m/s/s (B) 9600m/s/s (C) 9.6m/s/s (D) Can’t be calculated - insufficient information. 19. A car of is traveling along the freeway. The brakes are then applied giving a braking force of 2000N and the car decelerates at 2.5m/s/s. What is the mass of the car? (A) 600kg (B) 700kg (C) 800kg (D) 900kg. 20. Assuming the stopping time is 12.1s, over what distance does the car in Q19 come to rest? () (A) 154m (B) 164m (C) 174m (D) 184m.