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The pendulum of a regulator clock consists of a mass of 120 g at the end of a (massless) wooden stick of length 44 cm.
(a) What is the total energy (kinetic plus potential) of this pendulum when oscillating with an amplitude of 4°?
(b) What is the speed of the mass when at its lowest point?
An AC generator supplies an rms voltage of 240 V at 60.0 Hz. It is connected in series with a 0.450 H inductor, a 3.90 ?F capacitor and a 316 ? resistor. What is the peak voltage across the inductor
A 0.33kg block is located 0.2 m from the center of a turntable. The coefficient of static friction between block and surface of the turntable is 0.44.
The wavelength of the laser beam used in a compact disc player is 780 nm. Estimate the spacing between the slits of the grating
A metal rod with a length of 26.0cm lies in the xy-plane and makes an angle of 34.5? with the positive x-axis, What is the magnitude of the emf induced in the rod
The K-shell ionization energy of copper is 8979 eV. The L-shell ionization energy is 951 eV. Determine the wavelength of the Kα emission line of copper. What should be the minimum voltage be on an x-ray tube with a copper target in order to see the K..
A particle moving with simple harmonic motion has a maximum displacement of +12.0 cm. Calculate time for the particle to move directly to x = -6.00 cm
A low-power laser used in a physics lab might have a power of 0.40 mW and a beam diameter of 2.6 mm. Calculate the average light intensity of the laser beam
A 29.0-g object moving to the right at 19.0 cm/s overtakes and collides elastically with a 9.0-g object moving in the same direction at 15.0 cm/s. Find the velocity of each object after the collision
A conducting rod is moved in a magnetic field of 0.5T as shown. The bar is 0.4m long and has a velocity of 12 m/s. What is the induced voltage across the bar
The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net, With what minimum average speed must he move
Find the magnitude of the acceration of each block. what is the magnitude of the average force exerted on the ball by the wall.
To maximize the moment of inertia of a flywheel while minimizing its weight, what shape and distribution of mass should it have
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