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A) assuming each galaxy contains the mass of 200 billion suns and there are 200 billion such galaxies, what is the schwarzschild radius of the universe?
B) Suppose the actual mass of the universe was 100 times larger than the visible mass. what would the schwarzschild radius be under these conditions?
C) what is the distance light can travel in 13 billion years?
D) compare distance from part c to the answer in part b. can you conclude anything about the universe itself being a black hole?
A gunman standing on a sloping ground fires up the slope. The initial speed of the bullet is v0= 390 m/s. Find the maximum rangeof the bullet along the slope
A cat, also of weight 47.8 {rm N}, falls asleep on top of block A. If block B is now set into downward motion, what is its acceleration magnitude.
who is initially at rest, hops on her back and together they continue down the hill. Illustrate what is their speed at the bottom of the hill if the total vertical drop is 17.0 m? Gayle's mass is 50.0 kg, the sled has a mass of 5.00 kg and her bro..
A light ray with an incident angle of 38.5 degrees crosses from air to a solution and has an angle of refraction of 21.9 degrees. What is the speed of the ligth ray in the solution
Calculate Escape Velocity for Mars (mass = 6.42 x 1023 kg, radius = 3397km). Is it easier to launch a rocket from Mars than the Earth
Find the pressure at pump discharge, rate of flow of a pump, energy required by the pump, and size of the pump motor.
What is coefficient of kinetic friction
Draw a picture of a polarized and unpolarized E-field (go ahead and just do it at one point in space using an arrow(s)). Polarized means that the E-field oscillates perpendicularly at a fixed orientation relative to the direction of propagation.
A 5.0V potential difference is applied between the ends of a 0.80mm -diameter, 90cm -long nichrome wire, What is the current in the wire
What is the electric potential difference between two points that are 3.00 cm and 5.00 cm from a proton
On a pleasure cruise a boat is traveling relative to the water at a speed of 5.33 m/s due south, What is the magnitude of the passenger's velocity relative to the water
A passenger plane lands on the runway at 300kmhrô???1. In a glass of water in the cabin, calculate the deceleration of the plane
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