By what percentage has mass of cube decreased
Suppose a cube of aluminum which is 1.00 cm on a side accumulates anet charge of +2.50 pC. (a)What percentage of the electronsoriginally in the cube was removed? (b) By what percentage has themass of the cube decreased because of this removal?
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When the speed of the turntable is slowly increased, the object remains fixed on the turntable until a rate of 40 rpm is reached, at which point the object slides off. What is the coefficient of static friction between the object and the turntable
If the string were only 1/2 as dense as you found it to be how would the tension have to change in each case to produce the same number of segments (same wavelength)?
Estimate the temperature (in oC) to which the block must be heated, so that the hole and cylinder have the same diameter.
What percentage of the electrons originally in the cube was removed? (b) By what percentage has the mass of the cube decreased because of this removal?
Find the net force (magnitude and direction) acting on a 0.5C charge due to a 3C charge 1.2 meters away at an angle of 30 degrees (counterclockwise from the x-axis) and a -3C charge 2 meters away at an angle of -90 degrees.
A bug is on the rimof a disk of diameter 13 in that moves from rest to an angular speed of 70 rev/min in 5.2 s. What is the tangential acceleration?
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The turntable of a record player rotates initially at the rate 33 rev/min and takes 14.07 s to come to rest. What is the angular acceleration of the turntable, assuming the acceleration is uniform?
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