Solve.The voltage across a resistor is jointly proportional to the resistance of the resistor and the current flowing through the resistor. If the voltage across a resistor is
for a resistor whose resistance is
and when the current flowing through the resistor is
find the voltage across a resistor whose resistance is
and when the
current flowing through the resistor is
A. 72 volts
B. 24 volts
C. 32 volts
D. 36 volts
Answer: C
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 4 for r(t) = (10 - 3t2)i + (6t + 9)j - e-4tk
A. v(4) = -24i + 6j + 4e-16k B. v(4) = -12i +6j + 4e-16k C. v(4) = -24i + 6j - 4e-16k D. v(4) = 24i + 6j + 4e-16k
Mathematics
Graph the level curves in the first quadrant of the xy-plane for the given function at heights of
and
-
+ x = 3z
A.
B.
C.
D.
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Solve the problem.If f(x) = 5 and g(x) = 5 + 5
, find x such that f(x) = g(x).
A. x = 5 B. No solution C. x = 4 D. x = -5
Mathematics
Find the graph of the equation.
a.
b.
c.
d.
Mathematics