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An oscillating block - spring system has a mechanical energy of 1.70 J, and amplitude of 10.0 cm, and a maximum speed of 1.1 m/s. A) Find the spring constant. B)Find the mass of the block. C) Find the frequency of oscillation. (three questions)
In 1993, Javier Sotomayor set a world record of 2.45 m in the men's outdoor high jump. He is 193 cm tall, determine his takeoff speed
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1230 Hz. The bird-watcher, however, hears a frequency of 1260 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?
A disk with mass m = 6.0 kg and radius R = 0.41 m hangs from a rope attached to the ceiling. The disk spins on its axis at a distance r = 1.26 m from the rope and at a frequency f = 18.0 rev/s (with a direction shown by the arrow). 1) What is the mag..
In the Compton effect, an X-ray photon of wavelength 0.31 nm is incident on a stationary electron. What is the wavelength of the scattered photon
A spherical conducting shell of inner radius "a" and outer radius "b" carries a total charge of +5Q distributed on the surface of a conducting shell. Find the charge distribution on the conductor
A 7.5 F capacitor is charged to 34 V and is then connected across a 11-mH inductor. (a) How much energy is stored in the system? (b) What is the frequency of oscillation of the circuit? (c) What is the maximum current in the circuit?
A proton is fired directly into a uniform electric field that is able to bring the charge momen- tarily to rest. How much work does the electric field do in stopping the proton
What is the magnitude of displacement
Two balls are on a frictionless horizontal tabletop. Ball X initially moves at 10 meters per second, which angle and at what velocity will ball y move
A .18 F capacitor is fully charged and has a potential difference( ?V), across its terminals of 9.0 volts. It is connected in series to a 200? resistor, find the energy stored in the capacitor when its fully charged
A target in a shooting gallery consists of a vertical square wooden board, 0.300 m on a side and with mass 0.740 kg, What is the angular speed of the board just after the bullet's impact
A thin, flat washer is a disk with an outer diameter of 14 cm and a hole in the center with a diameter of 2 cm. The washer has a uniform charge distribution and a total charge of 8 nC. What is the electric field on the axis of the washer at a distanc..
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