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A satellite has a mass of 6076 kg and is in a circular orbit 4.65 × 105 m above the surface of a planet. The period of the orbit is 1.7 hours. The radius of the planet is 4.48 × 106 m. What would be the true weight of the satellite if it were at rest on the planet's surface?
A torsion pendulum is constructed of a copper rod of radius 3 mm and length 50 cm. what is the period of oscillation
When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. What was the speed of the lighter car just after the collision
A teeter-totter is made of a 3.200 m long plank with a mass of 60.0 kg, what mass must be placed at the left end so that the teeter-totter is balanced
A cannon with mass of 2000kg fires a 10kg shell at an angle of 60 degrees above the horizontal. what is the velocity of the cannon ball
A playground merry-go-round of radius R = 1.40 m has a moment of inertia I = 255 kg · m2 and is rotating at 9.0 rev/min about a frictionless vertical axle. What is the new angular speed of the merry-go-round
Two conductors having net charges of +12.0 µC and -12.0 µC have a potential difference of 12.0 V between them. Determine the capacitance of the system
A car wheel with a moment of inertia of 7.85 kg.m^2 is accelerating from 2160 rpm to 5040 rpm in a time of 10.0s. calculate The work done in raising the rotation frequency
A cylindrical hoop and a spherical shell both roll without slipping and both have identical masses (6 kg) and identical radii (0.2 m). What is the velocity of each at the bottom of the hill
A student is reading a lecture written on a blackboard. If the writing on the blackboard is 4.84 cm high, what is the height of the image on her retina
A 1000 watt hair dryer is connected to 120 V source. Find the current drawn by the hair dryer
Tetchnetium is a radioactive isotope that emits a gamma ray with a half life of 6 hours. what fraction of the original dose remains in the body 24 hours after preparation
A movie projector is equipped with a 0.6-meter focal length lens that is positioned 0.605 meters from the film. How many times larger is the image than the object
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