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5 Cards in this Set

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  • Back
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A car travels at 40 km/h for 30" and 60 km/h for 15". How far does it travel in this time.
A) 45km
B) 37.5 km
C) 20 km
D) 35 km
E) 28.4 km
D
Which of these base units is currently not defined by constants of nature?
A) length
B) current
C) mass
D) time
C
Six pounds on Earth has what weight on the moon.
A) 1 kg
B) 6 lb
C) 36 lb
D) 1 lb
E) 1/6 lb
D
How many minutes would it take light, traveling at a apeed of 186,000 mi/s, to reach us from the sun? The Sun is 93 million mi from earth.
8.3 minutes
Why is Mass considered a more basic property than weight?
A mass may have weight but the weight is a property which changes as the mass is moved around in the universe. Mass is not a property which depends upon position.