c = 3.0 x 108 m/s; b = v/c; g (gamma) = 1/sqrt[1 – b2]; u...

c = 3.0 x 10⁸ m/s; b = v/c; g (gamma) = 1/sqrt[1 – b²]; u = (u’ + v) / (1 + u’v/c²);

E_ph = hf = hc/l; P = esAT⁴; s = 5.67 x 10^-8 Watts / m² / K⁴

1. Relativistic Factor. Calculate the value of the relativistic factor g for an object traveling at v = 0.999c.

2. E = mc². If precisely 1.00 kilogram of mass could be converted completely into energy, for how long could this amount of energy keep a 100-Watt light bulb shining? (Assume the bulb can operate for a very long time.)

3. Velocity Addition. A relativistic craft traveling at 0.6c w/r/t to the Earth launches a probe, which travels at a velocity of 0.8c w/r/t the craft. What is the velocity of the probe w/r/t the Earth? (It’s not 1.4c.)

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genius_generous answered 1 week ago

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