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Suppose a simple pendulum consists of a small weight (called apendulum bob) suspended from a 0.52-m-long string. If the pendulum bob were displaced to one side by a small angle and thenreleased,(a) what would be the frequency and(b) the period of the pendulum's oscillation?(c) What would be its phase frequency?
In a pool game, the cue ball, which has an initial speed of 8 m/s, make an elastic collision with the eight ball, which is initially at rest. Find the direction of motion of the cue ball after the collision
Particle track detectors are used to measure the speed of particles if the lifetime of the particle is known. Particle X has a lifetime of 256.2 ps. What is the average speed of the particles in terms of the speed of light
A uniform solid disk with a mass of 28.3 kg and a radius of 0.514 m is free to rotate about a frictionless axle. Forces of 90.0 N and 125 N are applied to the disk, as drawing illustrates.
A mass m1 is hanging from a light cord which is strung over a pulley of moment of inertia I and radius R0, What are the tensions in each part of the light cord
The current in a 120-V reading lamp is 2.5 A. If the cost of electrical energy is $0.090 per kilowatt-hour, how much does it cost to operate the light for an hour
Let's build a helium atom. Start with a nucleus with 2 protons and 2 neutrons, Calculate the energy gained by the system constructing this atom
The Pulse frequency of a person is 90 beats/min, Find the power of heart if the density of mercury is 13.6 X 10^3 kg/m^3 (g=10 m/s^2)
Compressed air can be pumped underground into huge caverns as a form of energy storage. The volume of a cavern is 4.9 Ã- 105 m3, how many homes could this internal energy serve
What is the least coefficient of friction between tires and road that will allow cars to negotiate the turn without sliding off the road?
The other end of the spring braced against a post that was firmly anchored to the ship's frame. What was the speed of the cannon ball if the spring compressed 50cm as the cannon was fired.
A parallel plate capacitor has a charge on one plate of q = 1.3E-06 C. Each square plate is d1 = 2.2 cm wide and the plates of the capacitor are separated by d2 = 0.65 mm, What is the voltage between the plates
By analyzing a multiflash photograph of a golfer hitting a golf ball, one finds that the head of the club travels 47.0 cm in 0.0105 s, Find the approximate instantaneous speed of the club head at the instant of contact
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