A battery stores electric charge in the same way that a bottle stores water
a. True
b. False
Indicate whether the statement is true or false
False
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Exhibit 16-1
A graph of position versus time for an object oscillating at the free end of a horizontal spring is shown below.
?
?
Use this exhibit to answer the following question(s).
Refer to Exhibit 16-1. A point or points at which the object has positive velocity and zero acceleration is(are)
A. B B. C C. D D. B and D E. A and E
A charge per unit length given by ?(x) = bx, where b = 12 nC/m2, is distributed along the x axis from x = +9.0 cm to x = +16 cm. If the electric potential at infinity is taken to be zero, what is the electric potential at the point P on the y axis at y = 12 cm?
A. 5.4 V B. 7.2 V C. 9.0 V D. 9.9 V E. 16 V
A cylindrical rod of length 12 cm and diameter 2.0 cm will just barely float in water of density 1000 kg/m3. What is its mass?
A) 75 g B) 150 g C) 38 g D) 300 g
A square plate has an area of 29.00 cm2 at 20.0°C. It will be used in a low temperature experiment at T = 10.0K where it must have an area of 28.00 cm2 . What area must be removed from the plate at 20.0°C for it to have the correct area at 10.0 K? (The coefficient of linear expansion is 10 × 10^?6 (°C)?1.)
a. 0.079 3 cm2 b. 0.159 cm2 c. 0.238 cm2 d. 0.836 cm2 e. 0.921 cm2