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1-In spite of the fictional exploits of the starship Enterprise, "Relativity" teaches us that the maximum possible speed is what? (hint: warp = v/c)
2-A spaceship, traveling at WARP 1/2 away from the Earth, launches a shuttle moving away from the ship at c/2 (c/2 seen from the ship). Classically one expects to see the shuttle moving at c from the Earth, but relativistically what speed do we expect seen from the Earth?
3-A proton (1.67 × 10-27 kg) is accelerated to 99.8% the speed of light. How much energy did the accelerator have to impart?
A gymnast with mass m1 = 43.0 kg is on a balance beam that sits on (but is not attached to) two supports. What is the force the left support exerts on the beam
A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes an angle 34.0 degrees above horizontal. what is the coefficient of friction between the sled and the ground
An alert physics student stands beside the tracks as a train rolls slowly past. He notes that the frequency of the train whistle is 445 Hz, calculates the speed of the train
A 60.0 kg person bends his knees andthen jumps straight up. After his feet leave the floor, his motionis unaffected by air resistance and his center of mass rises by amaximum of 14.9 cm. Model the floor ascompletely solid and motionless.
is it possible for both the pressure and volume of a monatomic ideal gas to change without causing the internal energy
A raft is made of 12 logs lashed together. Each is 28 cm in diameter and has a length of 6 m. How many people can the raft hold before they start getting their feet wet
In this problem, use 343 m/s for the speed of sound in air. what is the wavelength of the waves on the string
Summarize current research about the issue and at least two credible sources. At least one reference source should discuss the issue from a pro and the other should discuss from a con perspective.
you check into the casinos hotel using one of the old aliases you had when you first starting working for the cartel.
A satellite is in elliptical orbit with a period of 6.12 x 104 s about a planet of mass 8.14 x 1024 kg. What is its angular speed at apocenter
A turntable 1.50{m} in diameter rotates at 80.0{rpm} . Two speakers, each giving off sound of wavelength 30.7{cm}, What is the greatest beat frequency the listener will receive from this system
An air track glider, 8.00 cm long, blocks light as it goes through a photocell gate. What is the acceleration (assumed constant) of the glider along the track
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