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The Black hole at the center of the milky way galaxy is estimated to contain about 4 million solar masses (mass of sun = 2 x 10^30 kg).
A) what is the Scwarzchild radius of our galaxy's black hole?
B) By what fraction would the march of Time be change ( compare to a distant observer) for a spaceship located at twice the Scwarzchild radius from this black hole's center?
C) How would this calculation be effected if the spaceship was in orbit about the black hole at this distance??
A car drives straight off the edge of a cliff that is 58 m high. The police at scene of the accident observed that the point of impact is 121m from the base of cliff. How fast was the car traveling when it went over the cliff.
An electron is observed traveling at a speed of 25.7·106 m/s parallel to an electric field of magnitude 14000 N/C. How far will the electron travel before coming to a stop?
A transformer has 350 primary turns and 1290 secondary turns. The input voltage is 120?V and the output current is 15.5A . Assume100% efficiency, What is the output voltage
A function generator with output V(t) = 12cos(500t)V is connected with a resistor R = b15?, What is the maximum current passing through the resistor
A 12.00 kg block on a horizontal frictionless surface is attached to a light spring (force constant = 0.80 kN/m). The block is originally at rest at its equilibrium position when a force (magnitude P = 80 N) acting parallel to surface is applied t..
An evacuated spherical diving bell containing a camera is in the ocean at a depth of 143m. It has a flat, transparent, Find the magnitude of the total force on the port
The needle of a sewing machine moves up and down in the same hermonic motion its driving force comes from a rotating wheel that is powered by an electric motor. how do you imagine that theup-and-down needle comapres with the period of the rotating..
A bar magnet with its north pole pointing toward a coil of wire with a cross-sectional area of 0.020 m2, find the magnitude of the induced emf in the coil of wire
A conducting rod slides down between two frictionless vertical copper tracks at a constant speed of 4.0 m/s perpendicular to a 0.50-T magnetic field, What is the mass of the rod?
Prism of refractive index 1.53 is placed in water of refractive index 1.33. If the angle of the prism is 60. Calculate the angle of minimum deviation in water
A baseball pitcher can throw a ball with a speed of 40m/s . He is in the back of a pickup truck that is driving away from you. What is the speed of the truck
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of -0.6020 N when separated by 50 cm, center-to-center.
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