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Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.
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Explain the consequences of this addiction to the brain tissue
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Does heating a metal wire increase or decrease its electrical resistance? why?
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Physics, 22.06.2019 20:10, haza1873
Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?
Answers: 1
A wave pulse travels along a stretched string at a speed of 100 cm/s. What will be the speed in cm/s...
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