Magnitude of the net force acting on the ball
When a 58-g tennis ball is served, it accelerates from rest to a speed of 47 m/s. The impact with the racket gives the ball a constant acceleration over a distance of 38 cm. What is the magnitude of the net force acting on the ball?
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The most rapid landscape solution occurs in ________ areas.
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A parallel beam of light from a He-Ne laser, with a wavelength of 652 nm, falls on two very narrow slits 0.050 mm apart. How far apart are the fringes in the center of the pattern on a screen 2.7 m away?
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If you looked at an incandescent light bulb and a neon sign through a diffraction grating, describe the differences you would observe in the spectra. Explain your reasoning.
The electrons in a metal that produce electric currents behave approximately as molecules of an ideal gas. The mass of an electron is me = 9.109·10-31 kg. If the temperature of the metal is 311 K, what is the root-mean-square speed of the e
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