Physics, 22.07.2019 16:00 queenb1416
We would expect the acid-base indicator, phenolphthalein, to be what color in an ammonia solution?
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Determine the amount of work done when a crane lifts a 100-n block form 2m above the ground to 6m above the ground
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Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
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Physics, 22.06.2019 19:00
Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
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Physics, 23.06.2019 02:00
How many electrons does each element require in its valence shell to become stable?
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We would expect the acid-base indicator, phenolphthalein, to be what color in an ammonia solution?...
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