The motion of a piston in an auto engine is simple harmonic. If the piston travels back and forth over a distance of 10 cm, and the piston has a mass of 1.5 kg, what is the maximum speed of the piston and the maximum force acting on the piston when the engine is running at 4 200 rpm?
22 m/s, 14 500 N
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A) the distance to the galaxy B) the rotation rate of the galaxy C) the mass of the galaxy D) the name of the galaxy
What is hydrostatic equilibrium and how is it used to explain the internal stability of a star?
What will be an ideal response?
A light ray whose frequency is 6.00 × 10^14 Hz in vacuum is incident on water (n = 1.33). The wavelength of the light after it enters the water is (in nm)
a. 798. b. 500. c. 665. d. 376. e. 266.
A quantity that has both a magnitude and direction associated with it is called a __________
Fill in the blank(s) with correct word