10f. QT interval (milliseconds)

7f. QT interval (milliseconds)

7d. PR interval (milliseconds); if none or variable, enter “0”

9a. Rate (bpm)

10d. PR interval (milliseconds); if none or variable, enter “0”

12a. Rate (bpm)

In the cardiac action potential, there is no phase called “reaching threshold,” as they are supposed to contract all the time for your survival.

A block of mass 10 kg moves from position A to position B shown in the figure above. The speed of the block is 10 m/s at A and 4.0 m/s at B. The work done by friction on the block as it moves from A to B is most nearly: A block sits at position A on a horizontal surface at the left. The horizontal distance from position A to the base of a ramp is labeled 3 meters. The ramp rises upward to the right and has a length of 4 meters. At the top of the ramp is a flat horizontal platform. Position B is on the raised platform, 2 meters to the right of the top of the ramp. The vertical height of the platform above the ground is labeled 2 meters.

An object’s velocity v is a function of time t is given in the graph above. Which of the following statements is true about the motion of the object? A line graph shows time in seconds on the horizontal axis from 0 to 36 and velocity in meters per second on the vertical axis from negative 5 to positive 10. Straight line segments connect the points , , , , , and .

What is the gravitational force between two identical bodies with a mass of 2.0 x 104kg each if they are 2.0m apart?