The current in a hair dryer measures 21 amps. The resistance of the hair dryer is 8 ohms. What is the voltage?

How does mass affect the final velocity an object attains as it falls?

Is the velocity used to calculate reynolds number, average velocity?

An alternating current consists of charges that?

Discuss a physical activity that benefits muscular strength and describe at least two other benefits of performing this activity.

When an object moves in uniform circular motion, the direction of its acceleration is A) in the same direction as its velocity vector. B) in the opposite direction of its velocity vector C) is directed toward the center of its circular path.

What is the acceleration caused by your push on the ball

In the chemical reaction in which carbon, hydrogen and oxygen absorb heat and combine to form carbon dioxide and water which of the following is considered to be a reactant? A. heat B. water C. oxygen D. carbon dioxide

A box is at rest on a table. What can you say about the forces acting on the box? The upward ___ and the downward___ are balanced Applied force Frictional force Normal force Drag force Gravitational force Tension

When the sun warms the sidewalk on a hot sunny day, what type of energy conversion occurs?

Which statements about acceleration are true? Check all that apply. A. is the symbol used for acceleration. B. The SI units for acceleration are m/s. C. Acceleration is a scalar quantity. D. Acceleration is calculated with the equation.