The mass, m, of an object varies directly with its kinetic energy, k, and inversely with the square of its velocity, v. the mass of an object stays the same, but the velocity of the object is halved. how is the kinetic energy of the object affected?

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