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The maximum potential difference across the terminals of a 60 Hz sinusoidal AC source is +20 V at t = 1/4 cycle. If at t = 0 the potential difference is zero, calculate the potential difference at t = 3.00 ms.
During launch from a diving board, a diver's angular velocity abouther center of mass cahnges from 0 to 5.40 rad/s in 180m/s. determine the total number of degrees she rotates
What must be the orbital speed of a satellite in a circular orbit 800 above the surface of the earth
A bucket of water is whirled in a vertical circle of radius 90cm,What is the least speed that will keep the water from falling out.
Speedboat A negotiates a curve whose radius is 150 m. Speedboat B negotiates a curve whose radius is 190 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of boats.
A spring-loaded cannon aimed at 40 degrees above the horizontal is on the last car of a long train of flat cars. What is the horizontal range observed by a person standing on the ground
A long, narrow, uniform tube of mass M and length l rotates freely about a perpendicular axis through its CM. What will the tube's angular velocity be when this happens
A switch, an inductor and a 68.0 Ω resistor are connected in series across an ideal battery E = 9.0 Volt. Estimate what is the value of the inductor
A person standing close to a railroad crossing hears the whistle of an approaching train. What is the speed of the train
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 6.00 uF. The plate spacingis now doubled and a dielectric is inserted, completely filling the space between the plates.
An S wave crosses the boundary between two different types of rock. The angle of incidence is 22° and the angle of refraction is 34°. what is the speed past the boundary
What is the net force exerted by these two charges on a third charge q3 = 49.5 nC placed between q1 and q2 at x3 = -1.195m
After 2 minutes of this the two maneuvering thrusters shut off and the main thruster decreases in magnitude to 200 kN, while still applying the force in the positive x-direction. It takes an additional 6 minutes to fix the problem and turn all of ..
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