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EXERCISE 22
EXERCISE 22 (a) Imagine a vehicle traveling at half the speed of light (0.5c). When it's not moving, it has a mass of 1,000 kg. What's its current mass, as measured by a stationary observer? (b) Imagine the same vehicle traveling at 70 percent the speed of light (0.7c). What's its current mass? (c) Now imagine this vehicle moving at 99.9995 percent the speed of light. What's its current mass? |