A shot putter with a mass of 80 kg pushes the iron ball of mass of 6 kg from a standing position accelerating it uniformly from rest at an angle of 45^(@) with the horizontal during a time interval of 0.1 seconds. The ball leaves his hand when it is 2m high above the level, ground and hits the ground 2 seconds later. The minimum value of the static coefficient of frictin if the shot putter does not slip during the shot is closet to :

A shot putter with a mass of 80 kg pushes the iron ball of mass of 6 k

1.	A shot putter with a mass of 80 kg pushes the iron ball of mass of 6 kg from a standing position accelerating it uniformly from rest at an angle of 45^(@) with the horizontal during a time interval of 0.1 seconds. The ball leaves his hand when it is 2m high above the level, ground and hits the ground 2 seconds later. The minimum value of the static coefficient of frictin if the shot putter does not slip during the shot is closet to :
Answer» 0.28 0.38 0.48 0.58 Answer :B