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Question 1
To sharpen the blades of a scissor by rubbing it against a surface, which of the following is more suitable?
Question 2
Which of the following pairs are not dimensionally twins?
Question 3
A molecule is moving in a circular orbit, in radius, with constant speed. If particle makes revolutions in every of its motion, the speed of the molecule is
Question 4
Collision will be perfectly elastic if
Question 5
A car moving with a speed of 40km/h can be stopped after 3m by applying brakes. If the same car is moving with a speed of 80km/h, what will be the minimum stopping distance?
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