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A team of scientists have arrived at the Galactic Center Black hole(mass of 7.95e36 kg). Having parked their spaceship in orbit at a safe distance around the back hole (so that time dilation is not and issue), they want to set up a smaller robotically-controlled station that is closer to the black hole in order to conduct some experiments. They need to construct a device that will transmit the results back to the main station. They were thinking of using a "Compton radio" that was like an FM radio where the transmitted frequency could be modulated (by quickly changing angles) to encode the signal. The issue is they don't know how close to the black hole they can put the remote station, which of what kind of light I would need inside the radio in order for them to tune into a radio station center at 21 cm (bandwidth 0.5 cm), what range of angles are needed to optimize the radio.
What is the distance between the particles at this time? The Coulomb constant is 8.95755 × 109 N • m2/C2, the elemental charge is 1.6721 × 10-19 C, and the acceleration due to gravity is 9.8 m/s2.
A blow-dryer and a vacuum cleaner each operate with a voltage of 120 V. The current rating of the blow-dryer is 10 A, and that of the vacuum cleaner is 5.0 A, Determine the power consumed by the blow-dryer
what is the angle formed between wire and ground?
A 3.85 kg mass attached to a spring oscillates with a period of 0.355 s and an amplitude of 20.5 cm. find the maximum speed of the mass
An air-track glider attached to a spring oscillates between the 8.00 mark and the 69.0 mark on the track. The glider completes 10.0 oscillations in 40.0. What is the maximum speed of the glider
A proton moving at 7.20 106 m/s through a magnetic field of magnitude 1.74 T experiences a magnetic force of magnitude 7.40 10-13 N. What is the angle between the proton's velocity and the field
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. What is the amplitude A of each wave
Two satellites are in circular orbits around the earth. The orbit for satellite A is at a height of 363 km above the earth's surface, Find the orbital speed for satellite A and satellite B
mall candle is 37cm from a concave mirror having a radius of curvature of 22cm. What is the focal length of the mirror? Follow the sign conventions
A force vector has a magnitude of 590 newtons and points at an angle 44o of below the positive x axis. What is (a) x scalar component and (b) y scalar component of the vector.
A pipe has a narrow end compared to the other end. The area of the narrow section is one-half the area of the wide section. find the velocity of the water in the wider section
The lines in a grating are uniformly spaced at 1520nm. Analyse the angular separation of the second order bright fringes between light of wavelength 603nm and 615.4 nm. Reply in units of mrad.
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