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Two objects with masses of 3.90 kg and 6.40 kg are connected by a light string that passes over a frictionless pulley, as in the figure below.
(a) Determine the tension in the string. (Enter the magnitude only.)
N (b) Determine the acceleration of each object. (Enter the magnitude only.)
m/s2
(c) Determine the distance each object will move in the first second of motion if both objects start from rest.
m
A stone is thrown from the top of a cliff that is 34.6 m high at a velocity of 13 m/s 230 above the horizontal. How long does it take to hit the ground below the cliff
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The inner surface is negative relative to the outer surface. Explain how much work is required to eject a positive sodium ion (Na+) from the interior of the cell?
protons are projected with an initial velocity v0 = 10410m/s into a region where a uniform electric field E = 710 N/C is present. The protons are to hit the target that lies a horizontal distance of 1.27mm from the point where protons are launched..
Illustrate what is the magnitude of the change in momentum of the ball while in contact with the bat if the ball leaves with a velocity of (a) 18 m/s, vertically downward, and (b) 18 m/s, horizontally back toward the pitcher?
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