A body of mass 2 kg is dropped from rest position 5 m above the ground. what is its velocity at height of 3 m above the ground.
another similar numerical is
A 70kg man runs up a long flight of stairs in 4 s. The vertical height of the stairs is 4.5m. Calculate his power. link is
• How to calculate the power of man when he ...
#phyiscs #numerical #easyedu #easyedu #easyedu99