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De-orbit maneuvers are done to lower the perigee of the orbit to 60 miles (or less). Calculate the minimum change in velocity (delta V) required for the Space Shuttle to decrease its altitude to 60 miles if its orbiting with an apogee of 236 miles and a perigee of 220 miles above the surface of earth. Use the rule of thumb that below an altitude of 500 miles, for every two fee per second (fps) change in the orbiting space craft's velocity its altitude will change by 1 mile. Put your answer in feet per second.
An aircraft with a mass of 996 kg accelerates from 0 to 87 m/s in 6.2 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft when the aircraft launches
A 0.24-kg ball on a stick is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, Find the tension in the stick
A quantity of carbon monoxide gas is slowly compressed adiabatically in an insulated container to one-half of its volume. determine the final pressure of the gas
A loaded ore car has a mass of 935 kg and rolls on rails with negligible friction. What maximum power must the winch motor provide
A 24kg projectile is moving at 240m/s in the positive direction of the x axis when it explodes and divides into two fragments, What is the direction and speed of the other piece
A block of mass m=7.10 kg slides down a 30 degree incline which is 3.60 m high. Determine the speeds of the two blocks after the collision
The cord between the pouch and the person's hand has negligible mass and will break when the tension in the cord is 33.0 N or more. Assume the sling thrower could gradually increase the speed of the stone.
A horizontal, 10 - m plank weighs 100N. It rests on two supports that are placed 1.0m from each end. What is the torque of the weight of the plank
In the 1950s, an experimental train that had a mass of 2.00 104 kg was powered across a level track by a jet engine that produced a thrust of 5.30 105 N for a distance of 509 m. Find the work done on the train
Young’s double slit experiment is performed with 589 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.26 mm from the central maximum. Determine the spacing of the slits.
Analyse the instantaneous velocity of the car
A man is lifting a 50kg rock. This weelbarrow is the first kind of lever, and the middle of the wheel is the fulcrum. How big is the man's force on the wheelbarrow to lift the rock
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