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The rogue starship Galaxa is being chased by the battle-cruiser Millenia. TheMillenia is catching up to the Galaxa at a rate of 0.650c when the captain of the Millenia decides it is time to fire a missile. First the captain shines a laser range finder to determine the distance to the Galaxa and then he fires a missile that is moving at a speed of 0.435c with respect to the Millenia. What speed does the Galaxa measure for the missile as they both approach the starship? Give answer as multiple of c.
A hockey player uses her hockey stick to exert a force of 1.78 N on a stationary hockey puck. What is the acceleration of the hockey puck
A space station shaped like a giant wheel has a radius of 114m and, when empty, a moment of inertia of 5.84E+8kgm^2. A crew of 163 are living on the rim, and the station's rotation causes the crew to experience an acceleration of 1.00g. 0 When 134..
A man cannot see objects clearly when they are farther than 2.25 m away. (a) Does he have (1) nearsightedness, (2) farsightedness, or (3) astigmatism? Explain. (b) Which type of lens will allow him to see distant objects clearly, and of what power..
The turns at Daytona International Speedway have a radius of 300.0 meters and are banked at 31.0 degrees. How fast can a car negotiate the turns
A vertical piston-cylinder device contains water and is being heated in top of a range. Through the process, 65 Btu of heat is transferred to the water and heat losses from the side walls amount to eight Btu.
What will Jadon and Sylvia find for the tangential speed of the puck?
An electric fan is rotating about a fixed axis with an initial angular velocity of 0.260 rev/s. Find the angular velocity of the fan after time 0.195sec has passed
A woman performs a vertical jump. How much work was done on this woman during the jump? The jump begins in the standing position and ends the instant the woman leaves the floor.
A 782 kg car is pushed at a constant positive velocity in a flat parking lot whose coefficient of friction is 0.18. If the car is pushed for 23 meters, what work is done by the forces acting on the object
Water is contained in a closed, rigid, 0.25 m3 tank at an initial pressure of 5 bar and a quality of 60%. Determine the final mass of vapor in the tank
A roller coaster car goes over a hill at a constant speed of12.0m/s. (a) what radius should the hill have in order for the rider in the car to feel weightless at the top of the hill?
A person is riding a bicycle, and itswheels have an angular velocity of +25.0 rad/s. What is the angular acceleration of each wheel
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