12. Assuming the Earth to be a sphere of radius 4,000 miles, an earth satellite in a circular orbit 300 miles above the surface of the earth makes a complete revolution in 96mins. Calculate the linear velocity of the satellite.

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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please answer number 12
9. Suppose that a runner on a straight track covers a distance of 1 mile in exactly 4 mins. What was his average
velocity in ft/sec?
10. What is the average power expended to accelerate a bullet of 10gm mass to a speed of 800m/s in 1.2 sec?
11. Suppose you throw a ball with a mass of 0.40kg against a wall. It hits the wall moving horizontally to the left
at 30m/s and rebounds horizontally to the right at 20m/s. Find the impulse of the net force on the ball during its
collision with the wall.
12. Assuming the Earth to be a sphere of radius 4,000 miles, an earth satellite in a circular orbit 300 miles above
the surface of the earth makes a complete revolution in 96mins. Calculate the linear velocity of the satellite.
Transcribed Image Text:9. Suppose that a runner on a straight track covers a distance of 1 mile in exactly 4 mins. What was his average velocity in ft/sec? 10. What is the average power expended to accelerate a bullet of 10gm mass to a speed of 800m/s in 1.2 sec? 11. Suppose you throw a ball with a mass of 0.40kg against a wall. It hits the wall moving horizontally to the left at 30m/s and rebounds horizontally to the right at 20m/s. Find the impulse of the net force on the ball during its collision with the wall. 12. Assuming the Earth to be a sphere of radius 4,000 miles, an earth satellite in a circular orbit 300 miles above the surface of the earth makes a complete revolution in 96mins. Calculate the linear velocity of the satellite.
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