What is the potential difference Vb ? Va shown in the circuit below
a.
?8.0 V
b.
+8.0 V
c.
?18 V
d.
+18 V
e.
?12 V
a
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Work Done by a Gas: A compression at a constant pressure of 200 kPa is performed on 8.00 moles of an ideal monatomic gas. The compression reduces the volume of the gas from 0.200 m3 to 0.120 m3. How much work was done by the gas during this process?
A. -16 kJ B. 16 kJ C. -40 kJ D. 40 kJ E. 0 kJ
Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. One surface is at 25 V and the other is at 33 V. The surfaces are 1.25 cm apart. What is the direction of the electric field midway between the surfaces?
A. the field is parallel to the surfaces B. the field is perpendicular to the surfaces going from the 25 V surface to the 33 V surface C. the field is perpendicular to the surfaces going from the 33 V surface to the 25 V surface D. the field makes clockwise circles viewed from the 33 V surface E. the field makes clockwise circles viewed from the 25 V surface
Compression cannot produce
A) anticlines. B) synclines. C) normal faults. D) reverse faults.
Consider a situation where two moving objects collide, stick to each other, and move off together. The energy stored in a pile driver is an example of gravitational potential energy
Indicate whether the statement is true or false