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Which of the following would increase friction? A. Soap B. Water C. Motor oil D. Sand
SAND would increase friction.
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Asked 12/6/2015 11:02:23 AM
Updated 12/6/2015 11:24:15 AM
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SAND would increase friction.
Added 12/6/2015 11:24:15 AM
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If an object moves 40 m north, 40 m west, 40 m south, and 40 m east, what's the total displacement? A. 40 m B. 80 m C. 0 m D. 160 m
Weegy: B. 160 m is the total displacement. User: If a system requires 150 J of input work and produces 123 J of output work, what's its efficiency? A. 92% B. 122% C. 72% D. 82% Weegy: If a system requires 150 J of input work and produces 123 J of output work 82% is its efficiency. User: Which of the following is not part of testing a hypothesis? A. Reasoning B. Modeling C. Collecting data D. Gathering evidence Weegy: Modeling is not part of testing a hypothesis. User: Two objects are 5 kg and 10 kg respectively, and they're 10 m apart. If the distance between them is increased to 20 m, what happens to the gravitational force? A. It increases slightly. B. It decreases. C. It is doubled. D. It doesn't change. (More)
Question
Expert Answered
Updated 228 days ago|6/5/2020 10:47:00 PM
2 Answers/Comments
If an object moves 40 m north, 40 m west, 40 m south, and 40 m east, The total displacement is 0 m.
Added 228 days ago|6/5/2020 10:42:37 PM
Two objects are 5 kg and 10 kg respectively, and they are 10m apart. If the distance between them is increased to 20m, the gravitational force: it decreases.

Added 228 days ago|6/5/2020 10:46:47 PM
Which object emits the most radiation? A. Dirt B. Fire C. Ice D. Water
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Updated 12/6/2015 6:22:22 PM
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Fire emits the most radiation.
Added 12/6/2015 6:22:22 PM
This answer has been confirmed as correct and helpful.
Confirmed by Janet17 [12/6/2015 6:41:43 PM]
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