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xz_007 [3.2K]
3 years ago
11

A certain race track is four and a half kilometers long. The winning driver in the race drove his car around the track TWICE in

three minutes. What was his average speed over those two laps? Please answer in kilometers per hour.
HELP!!!!!!!!! BRAINLIEST!!!!!!!!!!
Physics
1 answer:
Vika [28.1K]3 years ago
4 0

he drove 3 kilometers every minute

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A bag of sugar weighs 3.50 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration isone-sixth
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Answer:

F_{Earth}= 15.57 N

F_{Moon}= 2.60 N

F_{Uranus}= 16.98 N

The mass of the bag is the same on the three planets. m=1.59 kg

Explanation:

The weight of the sugar bag on Earth is:

g=9.81 m/s²

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F_{Earth}=m·g=1.59 kg×9.81 m/s²= 15.57 N

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g=9.81 m/s²÷6= 1.635 m/s²

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The weight of the sugar bag on the Uranus is:

g=9.81 m/s²×1.09=10.69 m/s²

F_{Uranus}=m·g=1.59 kg×10.69 m/s²= 16.98 N

The mass of the bag is the same on the three planets. m=1.59 kg

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is destroy.

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