To get to her physics class, Alice walks 0.25 mi to the bus stop. She takes the bus 1.2 mi to the train station. She takes the train 13 mi and walks the remaining 0.17 mi to her class.
How far is her commute expressed to the correct number of significant figures? A) 14.6 mi
B) 10 mi
C) 15 mi
D) 14.62 mi
E) 14.620 mi
Question 2
From the Earth, the Earthlings see the Enterprise approaching from the west at 0.800c and the Klingons approaching from the east at 0.900c.
What speed, in terms of the speed of light, does the crew of the Enterprise measure for the Klingon ship?
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Physics questions 3 and 5
Physics
Physics
Physics