Which describes the role of the muscular system during physical activity?

Select all that apply.

1: It allows for movement.

2: It controls the breathing rate.

3: It forces venous blood to return to the heart.

4: It controls the heart rate.

If three balls of different materials were dropped at the same time from the same height, which would hit the ground first? (Assume there is no air resistance.)

A device that makes work easier by changing the size or direction of a force is called what?

A child is playing on a trampoline jumping up and down. She is very skillful in playing on the trampoline, and at every bounce she reaches the same height always.

A cd player uses a ___ to convert info to an electrical signal A. Neon light B. Sodium vapor light C. Laser

How many new facilities does an average facility manager build during his or her career?

The seasons of the Year result from Earth's movement or ___ around the Sun

Work is defined as the use of force to move an object in the direction of that force and is equal to the force times the distance the object moved. How do energy and power relate to work?

2. In regards to the the zonal anatomy of the prostate gland, where do most carcinomas originate?

Two parallel plates are separated by 0.1 mm. A 10 V potential difference is maintained between those plates. If a proton is released from the positive plate, calculate the kinetic energy of the proton when it reaches the negative plate.

Which statements best describe the atoms of the gas neon? Check all that apply.