A block of mass 2 kg slides on a frictionless loop the looped track. The block is released from a height of 3.7 m. The looped track has a radius of 0.8 m. (A) What speed does the block have at the bottom of the loop?
(B.) What speed does the block have at the top of the loop?
(C.) What Normal force does the block experience at the top of the loop?
(D.) What minimum height above the ground must the block be placed to make it around the loop without it falling?