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A black hole has an event horizon radius of of 8.01 x103 m . Mass = 5.40x1030 kg.
Determine the gravitational acceleration it produces at a distance of of 8.01 x103 m from its center.
Determine the escape speed at a distance of 8.01 x103 m from its center.
In a certain RLC circuit, the RMS current is 6.51 A, the RMS voltage is 223 V, and the current leads the voltage by 50.5°. What is the total resistance of the circuit
A 0.140- baseball traveling 33.0 strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 15.0 . What was the average force applied by the ball on the glove
A potential difference of 5.60 V will be applied to a 33.00 m length of 18-gauge tungsten wire (diameter = 0.0400inches). Calculate the current and Calculate the current density
A wire of length l0 and cross-sectional area A supports a hanging weight W. Show that if the wire obeys Eq (11.7), it behaves like a spring of force constant AY/l0, where Y is the Young's modulus of the wire.
A 0.100 kg meterstick is supported at its 40 cm mark by a string attached to the ceiling. A 0.700 kg mass hangs vertically from the 5 cm mark.
The magnetic field inside a superconducting solenoid is 5.80 T. The solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. Determine the magnetic energy density in the field
What is the work done on the system by the external force? What is the work done by the field on the particle? What is the change in the potential energy of the system?
A boy with a mass of 60 kg is hanging from a spring with a spring constant of 160 N/m. With what frequency does the boy bounce up and down
The Earth's magnetic field is essentially that of a magneticdipole. If the field near the North Pole is about 1.0*10^-4T, what will it be (approximately) 13,000 Km above the surface atthe North Pole?
an 11000-watt radio station transmits at 880 khz. calculate the energy of a single photon at the transmitted
a skateboarder is moving at a constant velocity of 1.75 ms when she starts up an incline that causes her to slow down
Must show all work and calculations!!!! A primitive yo-yo is made by wrapping a string several times around a solid cylinder with m=200g and r=10cm. Find the tension in the string and the acceleration of the cylinder
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