Which of the following is an example of an electromagnetic wave?

A. sunlight

B. an earthquake

C. the sound of kids playing

D. butterflies flying through the air

What activity level should participants be in when exercising in their target heart rate zone

Set kinetic energy equal to potential energy and solve for velocity

What is the momentum of a 89-kilogram ice skater gliding across the ice at a speed of 9 m/s? kg-m/s

Barry is conducting an experiment and rolls a tennis ball down a ramp. Which best describes the motion of the tennis ball? It does not exhibit projectile motion and follows a straight path down the ramp.

3. A spring loaded gun fires a bullet into a block of wood hanging from a frictionless pendulum. a. How fast was the bullet going when it left the gun? Spring: k = 5,000 N/m Bullet: m=20.0g Block of wood: m = 1.00kg b.

What might a psychodynamic theorist think about a person with extreme shyness?

Determine the magnitude of the acceleration for the speeding up phase.

A battery is used to?

A person riding on the roof of a freight train throws a ball forward. (a) If we ignore air drag and relative to the ground, is the ball moving faster or slower when the train is moving than when it is standing still?

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.