A 0.45 kilogram object connected to a light spring with a force constant of 19.6 N/m oscillates on a frictionless horizontal surface. If the spring is compressed 4 centimeter and released from rest,
(a) Find the maximum speed of the object.
cm/s
(b) Find the speed of the object when the spring is compressed 1.5 centimeter.
cm/s
(c) Find the speed of the object when the spring is stretched 1.5 centimeter.
cm/s
(d) Determine for what value of x does the speed equal one-half the maximum speed?
cm