Making the pendulum swing upward in an arc
A 15 g rifle bullet traveling 240 m/s buries itself in a 4.0 kg pendulum hanging on a 2.5 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.
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A rock concert is being held in an open field. Two loudspeakers are separated by 5.00 m. As an aid in arranging the seating, a test is conducted in which both speakers vibrate in phase and produce an 80.0
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The cliff is 31.9 m above the ocean. The acceleration of gravity is 9.8 m/s2 . Find the car's position relative to the base of the cliff when the car lands in the ocean. Answer in units of m.
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