In the lab, charged particles are directed toward one another, each at speed 0.500 c. What is the speed of the particles moving toward the left with respect to the particles moving to the right?
A. 0.500 c
B. 0.00
C. 1.00 c
D. 0.800 c
E. 1.25 c
D. 0.800 c
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Europa may have a subsurface ocean of liquid water due to
A) the insulating properties of its icy surface B) tidal heating from Jupiter and the other Galilean moons C) internal heat left over from its formation D) tidal heating from the Sun
The point in the phase diagram where the fusion curve, the vapor pressure curve, and the sublimation curve join is called the
A) critical point. B) triple point. C) melting point. D) boiling point. E) double point.
Using a capacitor and two different value resistors, which of the following combinations in an RC circuit would give the greatest time constant?
a. the capacitor in series with both resistors in series with each other b. the capacitor in series with both resistors in parallel with each other c. the capacitor in series with the higher value resistor d. the capacitor in series with the lower value resistor
Note the expression: y = x2 . Which statement is most consistent with this expression?
a. if y doubles, then x quadruples c. if x doubles, then y doubles b. y is greater than x d. if x doubles, then y quadruples