Physics, 28.01.2021 23:40 sammypaige08
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An astronaut, visiting a newly discovered planet, finds the acceleration due to gravity by dropping an object
from a height of 1.0 meter and measuring how long it takes the object to hit the ground. If it takes the object
0.8 seconds to hit the ground, what is the acceleration due to gravity on this planet?
A. 3.1 m/s2
B. 2.5 m/s2
c. 1.6 m/s2
D. 0.78 m/s2
Answers: 1
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Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?
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Aspring has a natural length of 8 m. if a 12-n force is required to keep it stretched to a length of 10 m, how much work w is required to stretch it from 8 m to 16 m? (round your answer to two decimal places.)
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Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of
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