5 A swimming pool is 50m long. A
swimmer covers it in 50s. Calculate
the average speed of the...
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Physics, 21.06.2019 22:30
A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?
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Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?
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Physics, 22.06.2019 15:30
Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
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