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What is the period of revolution of a satellite with mass m that orbits the earth in a circular path of radius 8000km (about 1630km above the surface of the earth)?
A 30kg man climbs to the top of the slide 4m high. He slidesdown to the bottom. What is his kinetic energy at the bottom if there is nofriction on the slide? What is his kenetic energy at the bottom if there isfriction and it does -500J of work on hi..
A typical running track is an oval with 74-m-diameter half circles at each end. A runner going once around the track covers a distance of 400m. What is her centripetal acceleration during the turn at each end of the track
A ball is thrown straight upward in the air at a speed of 18.0 m/s, What is the maximum height the ball will reach
What is the maximum ramp angle that still allows the crate to remain at rest? (Make sure the coefficient of friction is 0.7.)
Suppose a man's scalp hair grows at a rate of .31 mm per day. What is this growth rate in feet per week
A coin 2.3 cm in diameter is held 37 cm from a concave spherical mirror of 40 cm radius of curvature. Locate the image of the coin
A non-ideal battery has an EMF of 24.0V when no current is drawn and a terminal voltage of 22V when a 10.0? resistors is put in series with the battery. What is the internal resistance of the battery?
A grinding wheel of radius 0.370 m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced with this force is 75.1 N· m. Discover the magnitude of the friction force..
a bell ringer decides to use a bowling ball to ring the bell. he hangs the 7.3kg ball from the end of a 2m long rope.
Consider the model of nerve conduction in myelinated axons presented in the chapter. How would this affect the time constant for the charging of one segment
A massive steel cable drags a 20.0kg block across a horizontal, frictionless surface. A 115N force applied to the cable causes the block to reach a speed of 4.30m/s in 2.30s. What is the difference in tension between the two ends of the cable?
The centers of a 12 kg lead ball and a 100 g lead ball are separated by 10 cm. What gravitational force does each exert on the other
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