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

Which statement is not true? Objects that are good absorbers of radiation are good reflectors as well. The hottest radiating bodies produce the shortest wavelengths of maximum radiation.

How to convert 40.38 seconds to ms

Which simple machine belongs to the inclined plane family

Explain the relationship between kinetic and potential energy in the example (the pic) while using the words mechanical energy and conservation of energy.

Trumpeter A holds a B-flat note on the trumpet for a long time. Person C is running towards the trumpeter at a constant velocity. Person B is running away from the trumpeter at the same rate. Person D is standing still the whole time.

About how much energy is transferred between a producer and primary consumer? A. 90% of the original energy from the Sun is transferred B. 10% of the original energy from the Sun is transferred C. 10% of the plant's energy is transferred D. 0.

If you exert a force of 500 n to walk 4 m up a flight of stairs in 4 s, how much power do you use?

The concepts of a "particle" and a "wave"

If a particle undergoes shm with amplitude 0.10 m, what is the total distance it travels in one period?

If the length of one side of a square is 12.0 m, what is the perimeter of the square?