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A) The star Zog has a mass of 1.57 e30 kg. Calculate the angle by which light from a distant star is deflected at a radius of 7.61 e8 m from the center of Zog (assuming all the mass is inside this radius). Express your answer in radians but do not indicate units.
B) A radio transmitter of frequency f0 is placed at a distance 7.61 e8 m from the center of Zog. Calculate the fractional change in frequency & Delta f/f0 that would be observed a long distance from the star. Use a positive (negative) sign to indicate an increase (decrease) in frequency.
5 moles of a monatomic gas has its pressure increased from 105 Pa to 1.5*105 Pa. calculate How much work is done by the gas
A ball of mass 15.49 kg rests on a table of height 0.72 m. The tabletop is a rectangular glass plate of mass 12.13 kg, what is the force that the tabletop exerts on each leg
A sports car accelerates in third gear from 48 km/h to 83.5 km/h in 3.7 s. What is the average acceleration of the car
A light ray of wavelength 589 nm is incident at an angle ? on the top surface of a block of polystyrene surrounded by air. What happens if the block is immersed in carbondisulfide
The masses of the particles are m1 = m3 = 5.0 kg and m2 = m4 = 8.0 kg. Find out the moment of inertia of the system about the z axis.
You are holding a conducting loop of copper and looking at its circle. Behind it is a long current-carrying wire carrying the current from left to right. what is the direction of current flow if any
A playground swing at its highest point during a child's play is 3.0 meters above the ground, Determine the torque exerted by gravity on a child on the swing when the swing is at the highest point of its motion
A space ship travelling at speed 0.5c toward the earth ejects a spacepod travelling in a forward direction at a speed of 0.25c, what is the speed of light signal relative to the spaceship in term of c
Mechanical Work is defined as a scalar product between the applied force, F and the displacement vector, d, of the motion, W = F · d. how much the mechanical work was done
Two coils of wire are placed close together. Initially, a current of 2.27 A exists in one of the coils, What is the mutual inductance of the two-coil system
The concrete wall of a building is 0.11 m thick. The temperature inside the building is 23.2°C, while the temperature outside is 0.0°C. Heat is conducted throughout the wall.
question1a woman is reported to have fallen 178 ft from a building landing on a metal ventilator box that she crushed
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