[" 28.A block of mass "30.0kg" is being brought down by a "],[" chain.If the block acquires a speed of "40^(@)Ocm/s" in "],[" dropping down "2*00m" ,find the work done by the chain "],[" during the process."]

A block of mass 30.0 kg is being brought down by a chain. If the block acquires as speed of 40.0 cm/s in dropping down 2.00 m ,find the work done by the chain during the process.

A block of mass 30.0 kg is being brought down by a chain. If the block acquires as speed of 40.0 (cm)/s in dropping down 2.00 m ,find the work done by the chain during the process.

A block of mass 30.0 kg is being brought down by a chain. If the block acquires as speed of 40.0 (cm)/s in dropping down 2.00 m ,find the work done by the chain during the process.

A block of mass 30.0 kg is being brought down by a chain. If the block acquires as speed of 40.0 (cm)/s in dropping down 2.00 m ,find the work done by the chain during the process.

A block of mass 2 kg is being brought down by a string. If the block acquires a speed 1(m)//(s) in dropping down 25 cm, find the work done by the string in the process.

A block of mass 2 kg is being brought down by a string. If the block acquires a speed 1(m)//(s) in dropping down 25 cm, find the work done by the string in the process.

A block of mass 20 kg tied to a string is being brough down strating from state of rest . Block axquires a speed of 1 m/s after descending a height of 5 m . Calculate work done by tension of string during the process .

A block of mass 10kg is being brought down slowly by a light string through is distance of 2m.Mark the correct option.

A man moves on a straight horizontal road with a block of mass 2 kg in his hand. If he covers a distance of 40 m with an acceleration of 0.5 m/s^2 find the work done by the man on the block during the motion.

A block of mass 5kg is being raised vertically upwards by the help of a string attached to it. It rises with an acceleration of 2ms^-2 . Find the work done by the tension in the string if the block rises by 2.5m . Also find the work done by the gravity and the net work done.