Physics, 31.05.2021 02:20 destineenikole17
a car takes 1 hour to travel 100 km along a main road and the half hour to travel 20 km along a side road what is its average speed​
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The sun generates both mechanical and electromagnetic waves. which statement about those wave is true?
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If a balloon is taken outside on a very cold day, what will occur?
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Two cannon balls weighing 18 kg and 24 kg are chained together and fired horizontally with a velocity of 165 m/s from the top of a 21-m wall. the chain breaks during the flight of the cannonballs and the 18-kg cannonball strikes the ground at t = 1.5 s, at a distance of 240 m from the foot of the wall, and 7 m to the right of the line of fire. determine the position of the other cannonball at that instant. neglect the resistance of the air.
Answers: 1
a car takes 1 hour to travel 100 km along a main road and the half hour to travel 20 km along a side...
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