If positive electric charges of Q and q coulombs are situated at positions 
and 
, respectively, then the force of repulsion they experience is given by
?
?
where 
, F is given in newtons, and all positions are measured in meters. Assume that a charge of 4 coulombs is situated at the origin and that a second charge of 14 coulombs is situated 
and moving in the y direction at 1.4 meters per second. How fast is the electrostatic force it experiences decreasing?
?
NOTE: Please enter your answer without the units. Round the answer to the nearest trillion.
What will be an ideal response?
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Divide.
A. 1068 R 21 B. 1048 C. 1063 R 13 D. 1058
Determine whether the given function is even, odd, or neither.f(x) = x3 - 4x
A. Neither B. Odd C. Even
Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
(
+ 1)
B. 
(
- 1)
C. 
(
+ 1)
D. 
(
+ 1)
Find the absolute extreme values of the function on the interval.f(x) = tan x, - 
? x ? 
A. absolute maximum is 
at x = 
; absolute minimum is - 
at x = - 
B. absolute maximum is 
at x = 
; absolute minimum is - 
at x = - 
C. absolute maximum is - 
at x = 
; absolute minimum is 
at x = - 
D. absolute maximum is 
at x = 
and - 
; absolute minimum does not exist