A 0.16 pF parallel-plate capacitor is charged to 10 V. Then the battery is disconnected from the capacitor. When 1.00 × 10^7 positive charges of magnitude |e| are now placed on the positive plate of the capacitor, the voltage between the plates changes by
a. ?5.0 V.
b. ?1.1 V.
c. 0 V.
d. +1.1 V.
e. +5.0 V.
e
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Energy Conservation With Nonconservative Forces: A 0.12-kg block is held in place against the spring by a 35-N horizontal external force. The external force is removed, and the block is projected with a velocity v1 = 1.2 m/s when it separates from the spring, as shown in the figure. The block descends a ramp and has a velocity v1 = 1.4 m/s at the bottom of the ramp. The track is frictionless between points A and B. The block enters a rough section at B, extending to E. The coefficient of kinetic friction between the block and the rough surface is 0.26. The block moves on to D, where it stops. By how many centimeters was the spring initially compressed?
width="576" /> A. 0.49 cm B. 0.26 cm C. 0.18 cm D. 0.99 cm E. 0.67 cm
Which of the following are candidates for galactic dark matter?
A) faint red stars B) brown dwarfs C) Jupiter-size objects D) WIMPs E) all of the above
Nuclear fusion is the source of energy in stars
a. True b. False Indicate whether the statement is true or false
A saturated hydrocarbon contains only ______________ bonds, and its hydrogen content is at a maximum
Fill in the blank(s) with correct word