A certain spring hangs vertically. When a body of mass M=1.75 kg is suspended from it, its length increases by 6.2 cm. The spring is then mounted horizontally, and a block of mass m=2.22kg is attached to the spring. The block is free to slide along a frictionless horizontal surface, as shown in figure below.(a) What is the force constant k of the spring?(b) What is the magnitude of the horizontal force required to stretch the spring by a distance of 10.5 cm and released, with what period will it oscillate?Hint: For spring constant in the present case, use the relation that the restoring force in vertical case is equal to

A certain spring hangs vertically. When a body of mass M=1.75 kg is su

1.	A certain spring hangs vertically. When a body of mass M=1.75 kg is suspended from it, its length increases by 6.2 cm. The spring is then mounted horizontally, and a block of mass m=2.22kg is attached to the spring. The block is free to slide along a frictionless horizontal surface, as shown in figure below.(a) What is the force constant k of the spring?(b) What is the magnitude of the horizontal force required to stretch the spring by a distance of 10.5 cm and released, with what period will it oscillate?Hint: For spring constant in the present case, use the relation that the restoring force in vertical case is equal to
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