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A uniform ladder of mass (m) and length (L) leans against a frictionless wall. If the coefficient of static friction between the ladder and the ground is 0.51, what is the minimum angle (theta) between the ladder and the floor at which the ladder will not slip.
A nuclear power plant has an electrical power output of 1067MW and operates with an efficiency of 45%. what is the rise in temperature of the flowing water
When the coil of a motor is rotating at maximum speed, the current in the windings is 4.33 A. When the motor is first turned on, calculate the resistance of the windings.
A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. find the maximum acceleration of the simple harmonic motion
An ac source of maximum voltage V0 = 30 V is connected to a resistor R = 50 O, an inductor L = 0.6 H, and a capacitor C = 20 µF. What is the maximum charge on the capacitor when the frequency of the source is set to the resonance frequency of the cir..
An RLC circuit has voltage supplied to it at a frequency of 31 kHZ with a phase difference between the current and the voltage of magnitude 0.8 rad, find the resistance of the circuit
One of the most efficient engines ever built is a coal-fired steamturbine in the Ohio valley, driving an electric generator as itoperates between 1870°C and 430°C. What is its maximum theoretical efficiency
The earth orbits the sun once a year (3.16 x 10^7 s) in a nearlycircular orbit of radius 1.50 x 10^11 m. With respect to the sun,determine the magnitude of the earth’s centripetal acceleration.
The fundamental physical constant of quantum mechanics, h, has played an important role in each of the three theoretical advances (those relating to the blackbody spectrum, the photoelectric effect, and the structure of the H atom).
A projectile is fired straight upward from Earth's surface with a speed that is 0.816 times the escape speed. what is the highest altitude reached measured from the surface of the Earth
A 3.2 kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system
an electrical conductor designed to carry large currents has a circular cross section 2.30 in diameter and is 14.9
The archerfish hunts by dislodging an unsuspecting insect fromits resting place with a stream of water expelled from the fish'smouth. Suppose the archerfish squirts water with a speed of 1.9 m/sat an angle of 48.0° above the horizontal, and aims f..
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