Hey! can someone please help me solve these 2 questions.. i m stuck.. thanks a lot in advance?
a) calc. the speed when the rock is at the max. height.
b) calc. the max. height.
c) calc the velocity when the rock reaches the ground.
2) a 3 kg ball is dropped from the eight of 0.80 m above the top of a vertical spring of force constant 1200 N/m. what is the max compression of the spring?