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The sun has a mass of 1.99 x 1030 kg and is moving in a circular orbit about the center of our galaxy, the Milky Way. The radius of the orbit is 2.3 x 104 light-years (1 light-year = 9.5 x 1015 m), and the angular speed of the sun is 1.1 x 10-15 rad/s.
a) Determine the tangential speed of the sun.
b) What is the magnitude of the net force that acts on the sun to keep it moving around the center of the Milky Way?
A near-sighted person wears an old prescription, where the power of his glasses is - 3.23 Diopters. What is the far point of this person
A 310 kg weather rocket is loaded with 100 kg of fuel and fired straight up. It accelerates upward at 28.0 m/s2 for 32.0 s, and then runs out of fuel. Overlook any air resistance effects.
Calculate the maximum speed in m/s that the caravan can go round the corner without overturning or sliding.
A 82kg person sits on a 3.7kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.3cm in diameter. Find the pressure exerted on the floor by each leg of the chair
superman m 90 kg jumps over a 51 m tall building by first accelerating from rest to his maximum velocity in 0.003 s.
A soccer player kicks a ball toward a wall 15.0 m away, with velocity 25.0 m/s at 30.0 above the horizontal. Determine how high up the opposite wall the ball hits, and nd the impact velocity
A copper wire of radius a = 0.214 mm has an aluminum jacket of outer radius b = 0.310 mm. There is a current i = 2.89 A in the composite wire. what is the length in meters of the composite wire
It has been a while since I had calculus so I am having trouble remembering how to multiply the equations out. Can anyone do a step - by - step process?
An artillery shell is red with an initial velocity of 328 m/s at 51.1 degrees above the horizontal. To clear an avalanche, it explodes on a mountainside 42.1 s after fi ring. What are the (a) x and (b) y coordinates of the shell where it explod..
Digital communication exercises. Letters drawn from a four-letter alphabet have the indicated probabilities. Letter and probability
An iron bolt of mass 70.0 g hangs from a string 35.2 cm long. The top end of the string is fixed. Find the magnetic force on the bolt
A 2.2 kilogram steel block is at rest on a steel table. A horizontal string pulls on the block. Find the minimum string tension needed to move the block
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