Pendulum displacement-vertical and horizontal components
A 17 g rifle bullet traveling 235 m/s buries itself in a 3.7 kg pendulum hanging on a 3.0 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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An 18 g rifle bullet traveling 210 m/s buries itself in a 3.6 kg pendulum hanging on a 2.7 m long string, which makes the pendulum swing upward in an arc. Determine the vertical and horizontal components of the pendulum's displacement.
How do Milgram's results particularly the finding that the remoteness of the victim affected obedience relate to some aspects of modern warfare?
The sun shines on a thin so that a 440 nm blue light is seen reflecting off the film. What is the minimum thickness of the film?
What is the mass of the string, observed wave speed is 16m/s when the suspended mass is 3.0kg
While rearranging a dorm room, a student does 304 J of work in moving a desk 3.1 m. What was the magnitude of the applied horizontal force?
In a hydroelectric installation, a turbine delivers 1900 hp to a generator. Under these conditions, what current will the generator deliver at a terminal potential difference of 1030 V?
At a certain location, the horizontal component of the earth's magnetic field is 2.2 10-5 T, due north. A proton moves eastward with just the right speed, so the magnetic force on it balances its weight. Find the speed of the proton.
An osprey calls while diving at you, to drive you away from her nest. You hear the call at 2220 Hz. How fast is the osprey approaching?
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