Shake an object to and fro if you want to judge its

A) mass.
B) weight.
C) both the same
D) none of the above


Answer: A

Physics & Space Science

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Energy Conservation With Conservative Forces: A 60-kg skier pushes off the top of a frictionless hill with an initial speed of 4.0 m/s. How fast will she be moving after dropping 10 m in elevation? Air resistance is negligible.

A. 0.20 km/s B. 15 m/s C. 10 m/s D. 0.15 km/s E. 49 m/s

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Chemists refer to molecules containing carbon atoms as

A) carbonic B) organic C) carbonaceous D) inorganic

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Simple molecules containing only carbon and hydrogen are referred to as

A) carbon hydrides B) hydrocarbons C) carbohydrides D) hydrogen carbides

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Starting from rest, a car travels 1350 meters in 1.00 minute. It accelerated at 1.0 m/s2 until it reached its cruising speed. Then it drove the remaining distance at constant velocity. What was its cruising speed?

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