K.C.S.E Physics Q & A - MODEL 2015PP1QN14

K.C.S.E Physics Q & A - MODEL 2015PP1QN14

​(a) Figure 7 (drawn to scale) shows a section of tape after passing through a ticker timer operated at a frequency of 50 Hz. The tape is attached to a trolley moving in the direction shown

​(i) Determine the velocity between:
(I) P and Q: 
(II) X and Y. 
(ii) Determine the acceleration of the trolley. 

(b) Two bodies of masses 5 kg and 8 kg moving in the same direction with velocities 20 ms^-1 and 15 ms^-1 respectively collide inelastically. Determine the velocity of the bodies after the collision.

ANSWERS