Find vertical and horizontal components of displacement
A 17 g rifle bullet traveling 215 m/s buries itself in a 3.8 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 23-g bullet traveling 285m/s penetrates a 4.5kg block of wood and emerges cleanly at 230m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?
In one cycle, a steady device transfers 1.55 × 106 J of energy from a reservoir at 450 K to a reservoir at 300 K. Find the change in entropy (after one complete cycle), (a) for the device, and (b) for the environment.
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Which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.
Write a 700- to 1,050-word paper in which you evaluate the goals and objectives for the same agency or organization you chose previously. Using the criteria from Ch. 4, address the following: Does the organization explain its goals and objec
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Some athletes can put out as much as 700 watts in short bursts. If you could sustain such an energy output long enough to reach the top of a mountain, how much time would it take you to get there from the valley, 2000 meters below the peak? so how
Whole lotta shakin' goin' on. Suppose an earthquake shook a shelf sideways according to x(t) = B sin (ωt) where ω = 2 π f = 2 π/ τ. Write symbolic equations for the shelf speed and acceleration versus time.
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