John runs around a 126.5 m circular track 3.5 times in 4.17 minutes. What is his average speed?

The frequency of a wave is tripled, while the wave speed is held constant. What happens to the wavelength?

What are the Units of resistance?

What causes the marks on the moons surface?

Which of the following is considered a naturally occurring behavior that does not have to be learned conditioned response reconditioned stimulus unconditioned response neutral stimulus

True or false Modifying your personal action plan can impede personal fitness goals.

How many neutrons does element x have if it's atomic number is 35 and it's mass number 71

The potential difference between the terminal of an electrical heater is 60v when it draw a current 4A fron the source. What current will the heater draw if the potential difference is increased to 120v?

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces.

A train's mass is 18181.81 kg. What is its weight?

a 3.0m long frictionless pendulum swings with a maximum angluar displacement of 10 degree from the vertical. at its lowest position the kinetic energy of the pendulum is 20.0j what is the potential energy of the pendulum when the kientic energy is 5.