Welcome to your Kinematics - Linear and Non-Linear Motion, Projectiles(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. A car moves with an initial velocity of 25m/s and reaches a velocity of 45m/s in 10s. What is the acceleration of the car?20m/s²25m/s²5m/s²2m/s²2. 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)9s6s3s7.5s4.5s3. A car traveling at 20m/s is brought to rest with a constant deceleration of 10m/s².Calculate the distance traveled.400m200m20m10m4. A moving object has a uniform acceleration. Itsvelocity increases by equal amounts in equal timevelocity varies inversely with timespeed is directly proportional to timedisplacement increases at a constant rate5. An object moves with uniform speed round a circle. Its acceleration hasconstant magnitude and constant directionvarying magnitude and varying directionvarying magnitude and constant directionconstant magnitude and varying direction6. 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?250m125m150m15km25km7. A body falls from rest to the ground in 0.5 secs. Calculate the height from which it falls. (g = 10m/s²)0.5m1.0m1.25m0.125m5.0m8. A body accelerates uniformly from rest at 2m/s². Calculate its velocity after travelling 9m.18m/s4.24m/s6m/s4.5m/s36m/s9. The distance traveled by a particle starting from rest is plotted against the square of the time elapsed from the commencement of motion.The resultant graph is linear.The slope/gradient of this graph is a measure ofinitial velocityinitial displacementhalf the accelerationhalf the initial diaplacementtwice the acceleration10. A motor vehicle is brought to rest from a speed of 15m/s in 20s.Calculate the retardation0.75m/s²7.5m/s²1.33m/s²5.0m/s²11. The motion of a moving skin of a talking drum can rightly be described asrandomtranslationaltransitoryrotationaloscillatory12. 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?40m/s35.33m/s7.20m/s57.6m/s13. A stone was dropped from a height, h and attained a velocity of 20m/s just before hitting the ground. If g = 10m/s², calculate the height, h through which it fell..20m200m10m100m14. From the top of the Eiffel tower, a rubber ball and a piece of iron rod were dropped to the ground. Which of the following is true? (neglect air resistance)under high temperature condition, the iron rod will first reach the groundboth objects will reach the ground at the same timethe rubber ball will first reach the groundthe iron rod will first reach the ground15. A body falls from rest to the ground in 0.5s.Calculate the height from which it falls.(g = 10m/s²)1.0m5m1.25m0.125m0.5m16. During the same interval, it is observed that a train travels the same distance as does a lorry. The two vehicles therefore have the sameinitial velocityaverage velocityinstantaneous velocityuniform accelerationaverage speed17. 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 motion18km24km12km6km18. A train has an initial velocity of 44m/s and an acceleration of -4m/s². Its velocity after 10 seconds is2m/s16m/s4m/s12m/s8m/s19. The distance moved by a particle in the sixth and eight seconds of the motion are 45m and 53m respectively.Determine the acceleration and initial speed.4m/s² and 23m/s7m/s² and 36m/s10m/s² and 46m/s5.4m/s² and 12m/s20. A particle is projected vertically upwards with a velocity of 20m/s.What maximum height does it attain? (g = 10m/s²)0.2m200m20m2m2000m21. A body starts from rest and moves with uniform acceleration of 6m/s².What distance does it cover in the third second ?18m30m35m15m27m22. Two balls X & Y weighing 5g and 50kg respectively were thrown up vertically at the same time with a velocity of 100m/s. How will their positions be one second later?X and Y are 95m from the point of throwX will be 500m ahead of YX and Y will both be 500m from the point of throwY will be 95m ahead of X23. A boy moving with a velocity of 4m/s is brought to rest by a constant force after traveling 20m.Calculate the retardation.2.5m/s²0.1m/s²5.0m/s²0.4m/s²0.2m/s²24. A mango fruit drops from a branch 10m above the ground. Just before hitting the ground, its velocity is5√2m/s10√2m/s200m/s10m/s100m/s25. Which of the following statements is true of a body which is moving in a straight line with uniform acceleration? The velocity of the bodyis the product of the distance travelled and timewill increase with time in the direction of the accelerationmust always be zero when the body stops acceleratingis equal to the quotient of distance travelled and timeis also uniform26 out of 25Time is Up!
