Physics Past Questions and Answers

Two balls X and Y weighing 5 g and 50 kg respectively were throne up vertically at the same time with a velocity of 100 ms¹ .How will their positions be one second later?

A X and Y will be 500 m from each other
B Y will be 500 m ahead of X
C X will be 500 m ahead of Y
D X and Y both be 500 m from the poin of throw

Question 1577:

If it takes an object 3s to fall freely to the ground from a certain height, what is the distance covered by the object?

A 90 m
B 30 m
C 45 m
D 60 m

Question 1578:

An object of mass 2 kg moves with a velocity of 10 ms¹ round at circle of radius 4 m. Calculate the centripetal force on the object

A 25 N
B 100 N
C 50 N
D 40 N

Question 1579:

A carpenter on top of a roof of 20.0m high dropped a hammer of mass 1.5 kg and it fell directly to the ground. the kinetic energy of the hammer just before hitting the ground is?[g = 10 ms^-2]

A 600 J
B 150J
C 300 J
D 450 J

Question 1580:

If a tube of small radius opened at both ends is placed in a liquid, the liquid will

A Remain at the same level irrespective of whether the liquid wet the glass or not
B Fall below the liquid level if the liquid wets the glass
C Falls below the liquid level if the liquid does not wet the glass
D Rise above the liquid level if the liquid does not wet the glass