Nina has 25 tennis balls and hal has 30.�� �� which equation can be used to calculate how many more tennis balls hal has than nina? ��
a. x 25 = 30 ��
b. x ��� 30 = 25 ��
c. 25 ��� x = 30 ��
d. 30 25 = x

i you goofed up when writing this, because hnot is not a word minusf is not either. i cannot answer   because of that.

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answer:

what is your question that you ask

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yes because they have the same amount of green and blur marbles.

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we can use this expression to calculate the energy gain as a particle moves with a field or the energy loss as it moves against it. (note that it is also used to define the electron-volt, a unit of energy equal to that gained by an electron as it falls through a pd of 1 v, i.e. w = 1 ev = 1.6 10-19 c 1 v = 1.6 10-19j).in fact this expression is really nothing more than the statement that potential is the potential energy per unit charge. in this case, v= w/qis simply stating that the change in potential energy(or work done) per unit charge is equal to the change in potential (or potential difference), v.student questions: uniform electric fields2electron beamcathode+5 kvanode0 v