Match the phrase with the term. how hard the blood pushes on the inside of the blood vessels is called . the total amount of blood the heart pumps in one minute is called . when blood vessels open wider during exercise, they are said to . how many times your heart beats in one minute is called . the force that can put unhealthy tension on the heart as it is pumping is called . the amount of blood the heart pumps out in one beat is called .

An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.

Consider each of the electric- and magnetic-field orientations given next. in each case, what is the direction of propagation of the wave? a)\vec ein the +xdirection,\vec bin the +ydirection. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction b)\vec ein the -y direction,\vec bin the +x choose+ x direction- x direction+ y direction- y direction+ z direction- z direction c)\vec ein the +z direction,\vec bin the -x direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction d)\vec ein the +y direction,\vec bin the -z direction. choose+ x direction- x direction+ y direction- y direction+ z direction- z direction

A200 g lead frying pan gains 2000 joules of heat. what is the change in temperature