Typical fears in children include the fear of A. failure. B. heights. C. jumping. D. the dark.

In establishing standing waves with a Slinky®, your wrist oscillates with f frequency of 8.0 Hz, and the velocity of the wave is 40 m/s. What is the wavelength of this wave?

A flat-screen television uses 3 amps and has a power rating of 300 watts. How many volts does it need? A. 303 volts B. 100 volts C. 900 volts D. 297 volts

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

Two trains are traveling side-by-side along parallel, straight tracks at the same speed. In a time t, train A doubles its speed. In the same time train B increases its speed by a factor of 5.42.

How do you label Time = energy • power

A force of 250 N is applied to an object that accelerates at a rate of 10m/sec2. What is the mass of the object?

The grounded conductor and the grounding conductor are one and the same conductor and perform the same function.

Summarize Newton's First Law

13. How is 0.00069 written in scientific notation? A. 69 x 10-5 B. 6.9 x 104 C. 0.69 x 10-3 D. 6.9 x 10-4

A 1300 kg sports car accelerates from rest to 95 km/h in 7.4 s. What is the average power delivered by the engine?.