Superman uses his flashlight as he flies over Earth. He turns it on and off every 1.5 s. A person on earth measures that the time between flashes is 2.5 s. How fast is Superman moving relative to the earth?

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A: Given: The speed of electron is 0.99999997c. The length of tube is 3.2 km.

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Q: A spacecraft is moving relative to the earth.An observer on the earth finds that, according to her…

A: Time interval on the earth frame, ∆t=1 hr=3600 s Time interval on the spacecraft frame, ∆t'=3601 s…

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Q: A Space Shuttle which is 60 meters in length flies past you at 1.2 x 104 m/s. How much shorter is it…

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Q: A firecracker explodes at x = 0 m, t = 0 μs. A second explodes at x = 300 m, t = 2.0 μs. What is the…

A: The expression for the velocity is as follows: v=ΔxΔtv=300 m-0 m2 μs-0 μsv=1.5×108m/s…

Q: A UFO is observed directly above the earth moving at a constant velocity. An astronaut on the moon…

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Q: A spaceship travels at a speed of 2.4 x 108 m/s. A clock in the spaceship passes 60 seconds. How…

A: According to the time dilation, t'=t1-v2c2t=t'1-v2c2

Q: The distnace from earth to the moon is 239,000 miles. a. how many kilometers are in 239000 miles?…

A: a. The distance in kilometer is, d=239000 miles1.60934 km1 mile=384632.26 km b. The time taken by…

Q: Subatomic particles called pions are created when protons, accelerated to speeds very near c in a…

A: Given- Half-life (t1/2) = 1.8*10-8 s Speed (v) = 0.99995c Distance (d1 ) = 30 m Distance (d2 ) = 5.4…

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Q: An electron is traveling at 5×105 m/s when it is 3 nm away from a proton. What is the speed of the…

A: Speed of electron=5x105 m/sDistance between electron and proton=3 nm

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Q: Subatomic particles called pions are created when protons, accelerated to speeds very near c in a…

A: Given: The speed of pions is 0.99995c. The half-life of pions is  1.8 x 10-8 s. Introduction: A…

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A: Given values: Time measured from earth's frame or proper time period, ∆t0=13 ly Time measured by…

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