A 50-Kg Sack Is Lifted 2 M in the Same

question 126

Multiple Choice

A 50-kg sack is lifted 2 m in the same time as a 25-kg sack is lifted 4 m.The power expended in raising the 50-kg sack compared to the power used to lift the 25-kg sack is

• A)twice as much.
• B)half as much.
• C)the same.

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Definitions:

P(A ∩ B)

The probability of the intersection of events A and B, meaning the likelihood that both A and B occur.

Sample Points

Points selected from a population or a set that are used to conduct statistical analysis or testing.

Numbered Cards

Cards marked with numbers, often used in statistical and probability experiments to simulate random events.

Coin Flip

A simple random experiment or process that results in two possible outcomes, often used to model probability and randomness.