The peaks of the sound wave are referred to as _____, while the valleys are referred to as _____.


compression; rarefaction

Physics & Space Science

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In order for an atom to decay to an element that is one greater in atomic number, it can emit

A) one alpha particle and 3 beta particles. B) one positron and 2 beta particles. C) one beta particle. D) all of the above E) none of the above

Physics & Space Science

The white dwarf that remains when our Sun dies will be mostly made of ________

A) hydrogen B) neutrons C) helium D) carbon

Physics & Space Science

The position of an air-track cart that is oscillating on a spring is given by the equation

x = (12.4 cm) cos[(6.35 s-1)t]. At what value of t after t = 0.00 s is the cart first located at x = 8.47 cm? A) 4.34 s B) 0.108 s C) 0.129 s D) 7.39 s E) 7.75 s

Physics & Space Science

Rain or snow that falls on the continents is Earth's only

A) supply of water. B) supply of fresh water. C) hydrologic cycle. D) source of evaporation and condensation.

Physics & Space Science