What is the equivalent resistance between points a and b?
a.
14 ?
b.
8.0 ?
c.
6.0 ?
d.
25 ?
e.
40 ?
d
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Charge of uniform density 90 nC/m3 is distributed throughout the inside of a long nonconducting cylindrical rod (radius = 2.0 cm). Determine the magnitude of the potential difference of point A (2.0 cm from the axis of the rod) and point B (4.0 cm from the axis)
a. 1.9 V b. 1.4 V c. 2.2 V d. 2.8 V e. 4.0 V
Ethylene glycol, at 100ºC, is cooled along a vertical flat plate at 20ºC. The plate is 1 m high and 0.5 m wide. Estimate the heat transfer.
What will be an ideal response?
In which of the following processes does the system's rest mass change?
A) An automobile speeds up. B) A rubber ball is squeezed. C) The rest mass changes in both of the above processes. D) The rest mass changes in neither of the above processes.
A rifle bullet is fired at an angle of 30° below the horizontal with an initial velocity of 800 m/s from the top of a cliff 80 m high. How far from the base of the cliff does it strike the level ground below?
What will be an ideal response?