The fastest manmade object in history is the NASA HELIOS 2 spacecraft launched t

Question

The fastest manmade object in history is the NASA HELIOS 2 spacecraft launched to study the sun in the 1970S, which attained a speed of 250,000 km/h.

a) What is the length of 1 meter measured on the spacecraft?

b) A time interval of 10 seconds on the spacecraft would be measured as__________.

c) If it is in a slingshot orbit around the sun, from General Relativity time (choose one of the bolded) slows down/speeds up as it passes by the sun due to the intense gravitational field?

d) True or false: The correspondence principle states that classical and relativistic mechanics are not seamlessly connceted.

Explanation / Answer

V = 25000 km/h = 69.4444*10^4 m/s

a) L = length = 1/(1- V^2/C^2)^0.5 = 1.00023 m

b) time interval = 10/(1- V^2/C^2)^0.5 = 10.024 s

C) speed up

D) False

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