Which of these is an example of a mechanical wave?

Ocean waves

Microwaves used to heat food

X-ray

Light from a flashlight

A wave travels at 3 m/s along a spring toy. If the wavelength is. 2 m, what is the waves frequency?

The Doppler effect suggest that sound waves are relative to the observer. You know if an object is coming or going from the sound it makes. Light waves follow the Doppler effect also.

Which function is decreasing? A:outdoor temperature as a function of time. B:The Dow Jones industrial average as a function of time. C:Air pressure in the earths atmosphere as a function of altitude.

Which of the following best describes why your rocket could never reach the speed of light? Which of the following best describes why your rocket could never reach the speed of light? a.

Most of the water used in the United States and Canada is for residential use. Rue or false

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle

Describe accuracy, precision and best fit line.