An Object with a Mass of 5 Kg Is Dropped

question 57

Multiple Choice

An object with a mass of 5 kg is dropped and takes 9 s to hit the ground. Then another object with a mass of 10 kg is dropped from the same point. How long does it take to hit the ground?

• A) 9 s
• B) 18 s
• C) 5 s
• D) 81 s
• E) 729 s

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Definitions:

Suffix

A letter or group of letters added at the end of a word to modify its meaning or change it into a different word class.

Knowledge

The information, understanding, and skills acquired through experience or education.

Prefix

A group of letters added at the beginning of a word to change its meaning, such as "un-" in "unhappy."

Dis-

A prefix meaning apart, away, or having a negative or reversing force.