lsodp
G10, Physics First Semester Test Time Allowed (45)minutes
Answer All Questions
- Fill in the blanks. (5 marks)
(1) The unit of gravitational constant is ………. .
(2) A unit vector hld pulling a toy car with a 10N force. The direction of the force makes an
angle of 20° with the horizontal plane. If the car moves 6 m, how much work does the child do?
3.Express the units of area ehe temperature increase to 25 ℃ how much glycerine overflows? The
coefficient of volume expansion of glycerine is 5.1 x 10-4K-1 and that of heat resistance glass is
0.09 x 10-4K-1. - A 30 g bullet moving at a constant velocity hits a wooden block of mass 3 kg and continues to travel
at a velocity of 2 ms-1 together with the block.What is the velocity of the bullet when it hits the block? - Rewrite the relation m (v-v_0)/t αF in vector notation. A 3 ton car moving with the velocity of 30 mi h-1 is
brought to stop in 2 s. Find the resisting force of the brakes acting on the car.
Congratulations @wonyan! You have completed the following achievement on the Steem blockchain and have been rewarded with new badge(s) :
Click on the badge to view your Board of Honor.
If you no longer want to receive notifications, reply to this comment with the word
STOPDo not miss the last post from @steemitboard: