A sound wave that has a wavelength of 2 m in room-temperature air has a frequency of about

A. 170 Hz.

B. 1360 Hz.

C. 2040 Hz.

D. none of the above

When two waves with the same amplitude overlap so that a crest lines up with a trough, the resulting wave ...

The law of motion that states than an object will maintain its straight-line motion until acted upon by an unbalanced force is

Sand on a beach is covered by other layers of sand over time. The extra layers compress the first layer, packing it tighter and tighter. Over time, the bottom layers of sand have formed into sandstone, with colored bands showing the different layers.

You push a friend sitting on a swing she has a mass of 50 kg and accelerates a rate of 4 m/s2 find the force you exerted

Convert 1.4*10^9km^3 into cubic meters

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.

Convert 255 cm to meters, millimeters, and kilometers