Identical 8.0-?C point charges are positioned on the x axis at x = ±1.0 m and released from rest simultaneously. What is the kinetic energy of either of the charges after it has moved 2.0 m?
a. 84 mJ
b. 54 mJ
c. 96 mJ
d. 63 mJ
e. 48 mJ
c
You might also like to view...
A man pushes a block up an incline at a constant speed. As the block moves up the incline,
(a) its kinetic energy and potential energy both increase. (b) its kinetic energy increases and its potential energy remains the same. (c) its potential energy increases and its kinetic energy remains the same. (d) its potential energy increases and its kinetic energy decreases by the same amount.
A motorboat that normally travels at 8 km/h in still water heads directly across a 6-km/h flowing river. The resulting speed of the boat is about
A) 6 km/h. B) 8 km/h. C) 10 km/h. D) 20 km/h.
When the equation NH4NO3? N2O + H2O is balanced, the total of all the coefficients (both written and "understood") is
a. 3. b. 4. c. 7. d. 8.
In terms of ________, all the terrestrials are greater than any of the jovians
Fill in the blank(s) with correct word