speed
DESCRIPTION
SPEED. http://en.wikipedia.org/wiki/Speed. What is the best unit to measure the speed of a snail?. a) km/h b) m/min c) m/s d) mm/s. A snail crawls 1 mm/s. What is the best unit to measure the speed of a racing car?. a) km/h b) m/h c) mm/min d) cm/s. At Bahrain, - PowerPoint PPT PresentationTRANSCRIPT
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http://en.wikipedia.org/wiki/Speed
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What is the best unit to measure the speed of a snail?
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A snail crawls 1 mm/s
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What is the best unit to measure the speed of a racing car?
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At Bahrain,formula one racing cars travel at an average speed of 205 km/h
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What is the best unit to measure the speed of a 100 m runner?
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In 2009 Usain Bolt ran a world record for 100 m in 9.58 s
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What is the best unit to measure the speed of the space shuttle?
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The space shuttle travels at a speed of 28 000 km/h.
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A large piece of bamboo is heavier than a small piece of rock
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Bamboo floats
Rock sinks
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At 4°C pure water has a density (weight or mass) of about 1 g/cm3
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http://www.iem-inc.com/tooldens.html
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357 g/L
390 g/L in boiling water
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35 g/L
315 g/L
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Per 100 gJaffa cake 370 cal
Bread white (thick slice) 240 calChapatis 300 cal
Cornflakes 370 calMacaroni (boiled) 95 cal
Muesli 390 calNaan bread (normal) 320 cal
Noodles (boiled) 70 calPasta ( normal boiled ) 110 cal
Potatoes** (boiled) 70 calPotatoes** (roast) 140 calRice (white boiled) 140 calSpaghetti (boiled) 101 cal
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At 4°C pure water has a density (weight or mass) of about 1 g/cm3
SINK
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