Physics, 01.12.2019 06:31 laura52677
Alec says the force of gravity is stronger on a piece of paper after it’s crumpled. his classmate, jordan, disagrees. alec “proves” his point by dropping two pieces of paper, one crumpled and the other not. sure enough, the crumpled piece falls faster. has alec proven his point?
Answers: 2
Physics, 22.06.2019 16:50
During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.
Answers: 2
Physics, 23.06.2019 02:30
Aprotein molecule in an electrophoresis gel has a negative charge.the exact charge depends on the ph of the solution, but 30 excesselectrons is typical. what is the magnitude of the electric forceon a protein with this charge in a 1500 n/c electric field?
Answers: 3
Alec says the force of gravity is stronger on a piece of paper after it’s crumpled. his classmate, j...
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