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slien

Questions (8)

Suppose a newly found elementary particle has an average lifetime, T=30 ns, when at rest. In order for this new elementary
1. 0 answers
2. 598 views
Find the kinetic energy of a particle with a mass of one gram moving with half the speed of light. Compare the answer with the
1. 0 answers
2. 518 views
Imagine a motorcycle rider moving with a speed 0.7c past a stationary observer. If the rider tosses a ball in the forward
1. 0 answers
2. 1,177 views
a spaceship travels with a speed of 0.7c as it passes by the Earth on its way to a distant star. The pilot of the spaceship
1. 0 answers
2. 541 views
a spaceship travels with a speed of 0.7c as it passes by the Earth on its way to a distant star. The pilot of the spaceship
1. 0 answers
2. 626 views
The proper length of one spaceship is 5 times that of another. The two spaceships are travelling in the same direction and,
1. 0 answers
2. 663 views
a 5 kg concrete block accelerates down a 34 degree slope at 4.2m/s^2. Find the coefficient of friction between the block and the
1. 2 answers
2. 2,425 views
a projectile is launched at 35 degrees above the horizontal with an initial velocity of 120m/s. What is the projectile's speed 3
1. 0 answers
2. 899 views

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