The stoplights on a street are designed to keep traffic moving at 24 mi/h. the average length of a street block between traffic lights is about 80 m. what must be the time delay between green lights on successive blocks to keep the traffic moving continuously? there are 1.609 × 103 m in a mile. answer in units of s.
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Physics, 22.06.2019 12:10
The average density of the planet uranus is 1.27 103 kg/m3. the ratio of the mass of neptune to that of uranus is 1.19. the ratio of the radius of neptune to that of uranus is 0.969. find the average density of neptune.
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Physics, 22.06.2019 14:30
Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
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Physics, 22.06.2019 23:30
Aswimming pool whose volume is 10 comma 000 gal contains water that is 0.01% chlorine. starting at tequals0, city water containing 0.003% chlorine is pumped into the pool at a rate of 5 gal/min. the pool water flows out at the same rate. what is the percentage of chlorine in the pool after 1 hour? when will the pool water be 0.006% chlorine?
Answers: 1
The stoplights on a street are designed to keep traffic moving at 24 mi/h. the average length of a s...
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