A wave has a wavelength of 7 mm and a frequency of 19 hertz. What is its speed?

Runner whose weight is 800 N wishes to accelerate at 5m/s^2 what minimum coefficient of friction is required for her to accelerate without slipping? A) 0.25 B) 0.50 C) 0.30 D) 0.40

The response of an object to the force of gravity is called

A baseball exerts a average of 600 newtonss east on a ball imparting an impulse of 3.6 newton seconds east to the ball caculafe the amount of time the baseball bat is in contact with the ball

A 12 V battery is connected to a 1200 Ω resistor. How much current is flowing through the resistor? Question 12 options: 0.01 A 0.12 A 1 A 100 A 14400 A

A horizontal rope is tied to a 57.0 kg kg box on frictionless ice. What is the tension in the rope if: You may want to review (Pages 135 - 137). Part A The box is at rest? Express your answer as an integer and include the appropriate units.

A roller coaster track is a good example of the law of conservation of energy. Use this law to explain these facts about a roller coaster track. a. The largest hill for a roller coaster track is the first hill on the track.

Which statement about the spectrum of light that emerges from a prism is true? A. High-frequency colors bend more than low-frequency colors. B. High-frequency colors bend less than low-frequency colors. C.

What kind of process can create "rogue" waves? a. Constructive interference c. Refraction b. Destructive interference d. Standing waves

What are constellations? 1. Apparent groupings of stars and planets visible on a given evening 2. Groups of galaxies gravitationally bound and close together in the sky 3.

What is pitch? give an example of a high pitch sound a low pitch sound