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A sideshow barker claims that the star of the show can throw a 7.3 kilogram Olympic-style hammer faster than a speeding bullet. You recall that bullets travel at several hundreds of meters per second. The burly hammer thrower whirls the hammer in a circle that you estimate to be 2.4 meter in diameter. You guess the chain holding the hammer makes an angle of 10 degree with the horizontal. Find when the hammer flies off is it really moving faster than a bullet?
A beam contains 3.6 x 105 doubly charged positive ions per cubic centimeter, all of which are moving north with a speed of 5.3 x 105 m/s. Find what is the magnitude of the current density
Light with wavelength 595nm is incident on a 2.6?m wide slit. Find the angular width of the central peak in the diffraction pattern
Water flows through a garden hose that goes up a step 20.0 cm high. The water speed is 1.20 m/s at the lower section. what is the water pressure at the top section
In a series circuit, a generator (1332 Hz,14.8 V) is connected to a 15.0-Ω resistor, a 4.17-µF capacitor, and a 5.82-mH inductor. Find the voltage across each circuit element
A 60kg block slides along the top of a 100kg block with an acceleration of 2.0m/s^2 when a horizontal force of 350N is applied. Find the coefficient of kinetic friction between the blocks
An object moving in simple harmonic motion has an amplitude of0.03m and a maximum acceleration of 55m/s^2. What is the frequency of the system
Two spherical shells have a common center. A -3.00 x10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +4.00 x10-6 C charge is spread uniformly over the outer shell, which has a radius of 0.15 m. Find the magnitu..
In an X-ray scattering measurement the first order diffraction peak is observed at ? = 16.5°. What is the angle of the third order peak
A logic circuit has two 2-bit unsigned binary numbers X[1:0] and Y[1:0] as the inputs and it has two 1-bit outputs. One of the outputs is ONE_GTR and the other is X1_XOR_Y1.
A circular coil of wire with 10 turns and a 4.0 cm radius is located between the poles of a large electromagnet that produces a uniform magnetic field of 0.5T. Calculate the average induced emg across the ends of the loop
A ball is thrown toward a cliff of height h with a speed of 30m/s and an angle of 60? above horizontal, What was the maximum height of the ball
A futuristic design for a car is to have a large disk-like flywheel within the car storing kinetic energy. The flywheel has mass 370 kg with a radius of 0.50 m and can rotate up to 200revs/sec. assuming all of this stored kinetic energy might be tran..
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