Chemistry
Chemistry, 27.05.2021 22:50, DiamondW8526

3 Derrick is driving a bus along a motorway with a speed limit of 3 mile per hour. In 30 minutes, be
travels 30 miles. Is his average speed during this period exceeding the speed limit?

answer
Answers: 1

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Chemistry, 22.06.2019 21:50, BookandScienceNerd
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Sandy is building a small toy car. he wants to use a balloon to power the toy car. he fills a balloon with air and then attaches a straw to the balloon. he tapes the balloon-straw combination to the car and then releases the end of the balloon. the toy moves forward as the air from the balloon comes out the back of the straw. what can sandy do to make the toy car move faster? a) use less air in the balloon. b) blow up the balloon more. c) use a longer straw. d) use larger tires.
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3 Derrick is driving a bus along a motorway with a speed limit of 3 mile per hour. In 30 minutes, b...

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