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A satellite has a mass of 5825 kg and is in a circular orbit 4.34 × 105 m above the surface of a planet. The period of the orbit is 2.3 hours. The radius of the planet is 4.81 × 106 m. What would be the true weight of the satellite if it were at rest on the planet's surface?
find out the speed with which the pebble strikes the ground when the pebble is fired (a) horizontally, (b) vertically straight up, and (c) vertically straight down
a golf ball is shot from a tee, elevated above 20.0m above the green,with the initial angle of 50.0 degrees above the horizontal. how much time will it take for the ball to travel from the tee
A transformer with 120. turns in its secondary supplies 12. volts at 220. ma to a toy train. The primary is connected across a 120. V wall outlet. What power is delivered by the wall outlet
Cliff and Will are carrying a uniform 2.0m board of mass 74kg. Will is supporting the board at the end while cliff is 0.6m from the other end, Find the normal forces exerted by Cliff and Will
Two identical +9.5uC point charges are initially 3.5cm from each other. If they are released at the same instant from rest, hoe fast will each be moving when they are very far away from each other? suppose they have identical masse of 1mg.
The only two forces acting on a body have magnitudes of 20N and 38N and a directions that differ by 76 degrees. What is the mass of the body
A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with helium 0 degrees Celsius and 1 atm pressure to lift the total load.
a heavy box of school books (mass is 50kg) was set down at rest on an inclined street (theta = 30 degrees). Draw a force Diagram of the box
A 5 kg ball hangs from the ceiling by a thread. The walls of the room are 5 m apart and they are made of metal, What is the charge on the ball
A parachutist descending at a speed of 13.4 m/s loses a shoe at an altitude of 54.2 m. Illustrate what is the velocity of the shoe just before it hits the ground? The acceleration of gravity is 9.81 m/s2.
If a material increases it's length from 160m to to 163.20m when it's temperature is raised 160 degrees C, determine the coefficient of linear expansion
A copper ion with a single electron (denoted Cu28+) is in an excited state with radius the same as that of the ground state of hydrogen. How much energy in eV is needed to ionize the ion from this excited state
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