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(a) Find the speed of a satellite moving in a circular orbit just above the surface of The Earth. The Earth has a radius of 6.38 106 m and a mass of 5.97 1024 kg.
(b) Find the satellite's orbital period.
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 5.47 m/s. The car is a distance d away, What is the maximum possible value for d
A 20kg box slides 45m from the top down to the bottom of an incline that is 10 degrees to the horizontal. How much work is done by the force of gravity on the box
If a person of mass M simply moved forward with speed V, his kinetic energy would be1/2 MV^2. However, in addition to possessing a forward motion, What is the average angular velocity of his arms and legs
The wheelbase on a truck is 2.4 m wide and the truck's center of mass is located along the vertical centerline of the truck and 2.0 m above the bottom of the tires
A 79 kg pole-vaulter falls from rest from a height of 4.6 m onto a foam-rubber pad. The pole-vaulter comes to rest 0.30 s after landing on the pad. compute the athlete's velocity just before reaching the pad.
A bullet is shot into a block of ice at 0 degrees Celsius. It comes to rest and melts .005 kg of ice. What was the Kinetic Energy of the bullet
A baseball outfielder throws a 0.15 kg baseball at a speed of 40 m/s and an initialangle of 30?. What is the kinetic energy when it hits the ground
An 0.8kg baseball with an initial velocity of 40m/s is hit with a baseball bat so that its recoil velocity is 60m/s in the exact opposite direction. what is the average force the bat puts on the ball
Imagine that a certain bugle plays in C, so that the pitches in "Taps" are low G (196 Hz), middle C (261 Hz), E (329 Hz), and G (392 Hz). How long would this bugle be if uncoiled
In preperation for building a space station, an astronaut removes a self-teliscoping uniform rod form the cargo bay and releases it, What is the angular speed after the catch slips
Dr. Winger stands on the drill field just north of President Lee's statue. He walks 20.0 m north on the sidewalk toward Lee Hall while thinking about going back to work. Determine how far Dr. Winger is from where he started
A 650-N physics student stands on a metric bathroom scale inside an elevator. The elevator (including the student) has a total mass of 875 kg. What is the tension on the elevator cable in both cases
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