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18 m/s
25 m/s
30 m/s
36 m/s
A ball is thrown vertically upwards. Assuming the air resistance to be constant and cosiderable
A ball moving with uniform velocity comes to rest in a distance of 72 m in 6 s. Its initial velocity and retardation are
A ball rolling along the ground gradually slows down and finally comes to rest is due to _
A balloon filled with hydrogen will
A beam of light travelling at a velocity of V m/s is incident at an angle 45° on a glass. Slab of refractive index 1.5. What is the velocity of the beam of light inside the slab?
A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will
A bird sitting on a high tension electric wire does not get electrocuted as
A bird sitting on a high tension electric wire does not get electrocuted because
A block of mass m is pulled along a surface as shown. The coefficient of kinetic friction between the block and the surface is m and the tension in the rope is T. The acceleration of the block is
A block P released from the top of a smooth inclined plane slidesdown the plane. Another block Q is dropped from the same point and falls vertically downwards. Which one of the following statements will be true if the friction offered by air is negligible?
