Question: b. Given that the velocity of a particle is V = m + nt where m= 10cm s and n = 2cms Find the

b. Given that the velocity of a particle is V = m + nt where m= 10cm s and n = 2cms Find the

b. Given that the velocity of a particle is V = m + nt where m= 10cm s and n = 2cms Find the change in velocity of the particle in the time internal between t2 = i. 2s and t2 = 5s.(3marks) ii. Find the average acceleration in this time interval. iii. Find the instantaneous acceleration at time t1=2s (2 marks) (2 marks) C. A car starts from rest and accelerates at 10m/s in 20 seconds. Find the final velocity of this car (3 marks) d. A boy rolls a ball along a flat straight platform. The ball possesses an initial velocity of 2ms when the boy releases it and it shown down with a constant negative acceleration of -2m s-2. How far does the ball roll before stopping, and how long does it take to stop? (4 marks) e. The mass of the moon is about one eighty-first, and its radius one fourth, that of the earth. What is the acceleration due to gravity on the surface of the moon? (3 marks)

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