Welcome to your Kinematics - Linear and Non-Linear Motion, Projectiles(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. Two particles A and B starting from rest cover the same distance. The acceleration of A is twice that of B, the ratio of the time taken by A to that taken by B is √2 4 1/√2 2 1/2 2. A body falls from rest to the ground in 0.5 secs. Calculate the height from which it falls. (g = 10m/s²) 1.0m 5.0m 1.25m 0.5m 0.125m 3. The driver in a car of which the total mass is 800kg and which is traveling at 20m/s, suddenly observes a stationary cat in his path 50m ahead.If the car brakes exert a force of 2KN, what will most likely happen? the car will stop 20m in front of the cat the driver will quickly reverse the car the car will be able to stop immediately the driver notices the cat the car will stop 30m after hitting the cat the cat will stop 5m beyond the cat 4. The motion of a moving skin of a talking drum can rightly be described as transitory rotational oscillatory random translational 5. A train with an initial velocity of 20m/s is subjected to a uniform deceleration of 2m/s². The time required to bring the train to a complete halt is 20s 5s 40s 10s 6. A car starts from rest and moves with a uniform acceleration of 30m/s² for 20s. Calculate the distance covered at the end of the motion 6km 12km 24km 18km 7. A car moving with a speed of 90km/hr was brought uniformly to rest by the application of the brakes in 10s.How far did the car travel after the brakes were applied? 15km 125m 150m 25km 250m 8. A body travels from rest and accelerates uniformly to a speed of 120km/hr in 10 seconds. What is the distance covered? 6km 1/6km 600km 1000km 60km 9. A body falls from rest to the ground in 0.5s.Calculate the height from which it falls.(g = 10m/s²) 0.125m 5m 0.5m 1.25m 1.0m 10. If a car starts from rest and moves with a uniform acceleration of 10m/s² for 10s. The distance it covers in the last one second of its motion is 95m 500m 100m 1000m 905m 11. An object moves with uniform speed round a circle. Its acceleration has constant magnitude and constant direction constant magnitude and varying direction varying magnitude and varying direction varying magnitude and constant direction 12. A body falls freely under gravity (g = 9.8m/s²) from a height of 40m onto the top of a platform 0.8m above the ground. Its velocity on reaching the platform is 78.4m/s 80m/s 39.2m/s 27.7m/s 784m/s 13. A boy moving with a velocity of 4m/s is brought to rest by a constant force after traveling 20m.Calculate the retardation. 0.4m/s² 0.1m/s² 2.5m/s² 5.0m/s² 0.2m/s² 14. A motor vehicle is brought to rest from a speed of 15m/s in 20s.Calculate the retardation 0.75m/s² 1.33m/s² 5.0m/s² 7.5m/s² 15. An apple fruit is dropped to the ground from the top a tree 45m tall. How long does it take to reach the ground? (Take g = 10m/s²) 6s 7.5s 9s 3s 4.5s 16. When a ball rolls on a smooth level ground, the motion of its center is oscillatory rotational random translational 17. A bullet fired vertically upward from a gun held 2m above the ground reaches its maximum height in 4s.Calculate its initial velocity. (g = 10m/s²) 8m/s 20m/s 10m/s 40m/s 2m/s 18. If a body moves with a constant speed and at the same time undergoes an acceleration, its motion is said to be oscillatory rectilinear circular rotational 19. A ball is dropped from a height of 20m and rebounds with a velocity which is 3/4 of the velocity with which it hits the ground. What is the time interval between the first and the second bounces? 3.0s 6.0s 1.5s 0.5s 2.0s 20. A body starts from rest and moves with uniform acceleration of 6m/s².What distance does it cover in the third second ? 18m 30m 15m 27m 35m 21. A body starts from rest and moves with constant acceleration. Which of the following quantities varies/vary linearly with the square of the time.I. velocityII. displacementIII. momentum I & II only III only I only II & III only II only 22. A mango fruit drops from a branch 10m above the ground. Just before hitting the ground, its velocity is 5√2m/s 200m/s 10√2m/s 10m/s 100m/s 23. A train has an initial velocity of 44m/s and an acceleration of -4m/s². Its velocity after 10 seconds is 4m/s 16m/s 2m/s 8m/s 12m/s 24. A body which moves from rest with a uniform acceleration travels 18m during the third second. What will be its velocity at the end of the eight second? 35.33m/s 7.20m/s 57.6m/s 40m/s 25. A ball is thrown vertically upwards and returns to the thrower after 6s.Calculate the maximum height attained.(Take g = 10m/s²) 135m 150m 45m 180m 90m 1 out of 25 Time is Up! Time's up