Instructions: On occasion, the notation 
will be a shorthand notation for 
.
If 
and 
, what is the magnitude of the vector 
?
A. 42
B. 22
C. 64
D. 90
E. 13
Answer: C
You might also like to view...
Suppose that 
both have nonzero y and z components, but both also have zero x components. Which components of 
are nonzero? Select or indicate all the letters that apply.
A. 
is nonzero.
B. 
is nonzero.
C. 
is nonzero.
Atmospheric pressure on Mars is roughly half that of Earth's at sea level
Indicate whether the statement is true or false
If the frequency of an electromagnetic wave increases, does the number of waves passing by you increase, decrease, or stay the same?
What will be an ideal response?
The battery is disconnected from a series RC circuit after the capacitor is fully charged and is replaced by an open switch. When the switch is closed,
a. the current through the resistor is always greater than the current through the capacitor. b. the current through the resistor is always less than the current through the capacitor. c. the current through the resistor is always equal to the current through the capacitor. d. the capacitor does not allow current to pass. e. the current stops in the resistor.