A0.40kg object is attached to a spring constant 160n/m so that the object is allowed to move on a horizontal frictionless surface. the object is released from rest when the sprin g is compressed 0.15m find:
a) the force on the object and b) its acceleration at this instant.

Blood pressure the total amount of blood the heart pumps in one minute 2. cardiac output the number of times your heart beats in a minute 3. dilate the amount of blood that the heart can pump in a single beat 4. heart rate the force exerted on the walls of the blood vessels by the blood that moves through them 5. stroke volume to widen or get larger in size