A 25-N force accelerates a boy on a cart at 0.5 m/s2. What is the mass of the boy and the cart? (Hint: Solve newton’s second law for mass).

Every person’s body is different, a. but every vehicle’s cabin layout is the same b. and every vehicle’s cabin layout is different c. making some people automatically safe drivers d. making some people better fit to drive a sedan than a coupe

The amount of oxygen that is actually used by the body during the rest or a hand workout is determined by the heart rate, the stroke volume, and the amount of a. blood circulating in the vascular system b. oxygen removed from the vascular system c. oxygen provided to the vascular system d. blood that individual has in the body e. hemoglobin in the red blood cells

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.