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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 1035 kg car carrying four 78 kg people travels over a rough "washboard" dirt road with corrugations 5.0 m apart which causes the car to bounce on its spring suspension. The car bounces with maximum amplitude while its speed is 16 km/h. The car now ..
An RLC circuit consists of a 218 resistor, a 45 ?F capacitor, and a 298 mH inductor, What is the phase angle between the current and the applied voltage
You drop 320 g of solid ice at ?35°C into a bucket of water (1,200 g) at 45°C. Eventually, the ice all melts, Find the final temperature of the system
Recently we were padding on a boat in a sea. Surprisingly we saw gleaming points in water during padding. Would you explain about this.
Basic science concepts in optics like Which types of electromagnetic radiation can be seen from the surface of Earth.
Assume the system rotates in the yz plane about the x axis with an angular speed of 2 rad/s. Find out the moment of inertia of the system about the x axis.
Estimate the rms electric field in the sunlight that hits Saturn, knowing that the Earth receives about 1350 W/m2
A 4 kg block is acted upon by three horizontal forces. 10n (to left) 5n(short arrow to right) 25n to right. what is the net horizontal force acting on the block? what is the horizontal acceleration of the block?
What is the distance, measured along the screen, between this bright fringe and bright fringe corresponding to m = 3.
Shaving/makeup mirrors typically have one flat and one concave (magnifying) surface. What is the focal length of the mirror
A proton is located at the origin, and a second proton is located on the x-axis at x=6.00 fm. (a) compute the electric potential energy associated with this configuration.
Determine the effective coefficient of kinetic friction between the wheel and the wet rag.
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