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As seen from the window of a space station, a 99.0 kg satellite sailing along at 9.4 m/s collides head-on with a small 286.0 kg asteroid, which was initially at rest. Assume the collision to be elastic. Indicate a change of direction with a negative sign.
(a) What is the final velocity of the satellite?
(b) What is the final velocity of the asteroid?
A camera has a lens with a focal length of 22.2 cm. When an object is placed 3.55 meters away is being photographed
A projectile is fired at an upward angle of 45° from the top of a 212 m cliff with a speed of 161 m/s. What would be its speed while it strikes the ground below.
Coherent light with wavelength 610 passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright..
A 658-kg boulder is dropped into a mine shaft that is 2.1 x 103 m deep. During the boulder's fall, the system consisting of the Earth, Determine the binding energy (in Joules) of the Earth-boulder system
A 0.113 kg remote control 17.4 cm long rests on a table, as shown in the figure below, with a length L overhanging its edge. How large is the normal force when the button is pressed
Two point charges of equal mass start from rest. What is the distance between the charges and How long will it take the charges to move
An airplane pilot fell 355 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.3 m deep, estimate the work done on him by air resistance as he fell
a 100kg person sits 2.0m from the pivot on a seesaw. a second person sits 3m from the pivot on the opposite side. What is this persons mass
A solid rock, suspended in air by a spring scale, has a measured mass of 9.00 kg. What is the density of the rock
A car is being pulled out of the mud by two forces that are applied by the two ropes. The dashed line in the drawing bisects the 30.0° angle.
A 0.575 kg mass falls from a height of 3.95 m. If all of the energy of this mass could be converted to visible light of wavelength 5.29E-7 m
in a diagnostic x-ray procedure 5x10^10 photons are absorbed by tissue with a mass of .6 kg. What is the equivalent radiation dose in mrem
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