What is the frequency of a wave that has a wavelength of 20 cm and a speed of 10 m/s?

50 Hz

200 Hz

0.5 Hz

10 Hz

What is the most effective way to get roots out of a sewer pipe high pressure water or auger

Mike walked 450 m west. He then turned and walked 150 m to the east in 300 seconds. what was his velocity?

What happened to the pitch of the sound as the sound source moved past the observer? Record your observations.

Which phrases describe a model in science? Check all that apply. a structure that represents a very small system something that is an example of a very large object a structure that is used to represent a complex system several structures that

Kepler modified Copernicus's model of the universe by proposing that the

What is the force of attraction between two masses 5kg and 8kg at a distance of 60cm apart. (A) 4.5*10-9N (B) 5.6*10-9N (C) 7.4*10-9N (D) 8.0*10-9N (E) 10.5*10-9N

A 1100 kg car pushes a 1800 kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 4500 N.

The model that describes a Sun-centered solar system is called theA. laws of motion. B. geocentric model. C. heliocentric model. D. general theory of relativity.

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 20.0 m/s. Then the truck travels for 20.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.

which of the following best describes the amount of natural resources found here in the united states. coal is the only natural resources found in abundance in the US. Natural resources here are lacking and must all be imported to the us.