If the total energy of the moving electron is three times its rest energy then determine the following: i) The γ factor. ii) Its total energy.
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) If the total energy of the moving electron is three times its rest energy
then determine the following:
i) The γ factor.
ii) Its total energy.

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- 1. Suppose a spaceship heading straight toward the Earth at 0.650c can shoot a canister at 0.400c relative to the ship. (a) What is the velocity of the canister relative to Earth, if it is shot directly at Earth? (b) If it is shot directly away from Earth?P9 E4In 1977 the planet Alderaan, with a mass of 3 x 1024 kg, exploded. Assuming it was initially at rest and experienced no external interactions, 3. A) If the planet blew apart into two pieces with 40% of its mass flying away in one piece at 4,000 km/s, what speed did the rest of the planet have relative to its original frame? B) If the planet blew apart into three pieces, with 30% of its mass flying away at 3,000 km/s, and 20% of its mass flying away at 5,000 km/s at an angle of 120° relative to the velocity direction of the first fragment, what velocity did the rest of the planet have? Report the direction by specifying its angle relative to the velocity direction of the first fragment.
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