A battery is used to light two bulbs as shown. What happens to bulb B when bulb A is unscrewed from its socket?
4
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The moon stopped evolving because it is too small to have kept its internal heat
Indicate whether the statement is true or false
The term "solid-state electronics" refers to
A. the replacement of positive charges with electrons in devices. B. the increased use of metals in electronic devices. C. our ability to now use solids to make electronic devices. D. the use of transistors rather than vacuum tubes.
Three identical 6.0-kg cubes are placed on a horizontal frictionless surface in contact with one another. The cubes are lined up from left to right and a 36-N force is applied to the left side of the left cube causing all three cubes to accelerate to the right. If the cubes are each subject to a frictional force of 6.0 N, what is the magnitude of the force exerted on the right cube by the middle cube in this case?
A) 12 N B) 24 N C) 36 N D) none of the above
Exhibit 7-1
Three 5.0-kg masses are located at points in the xy plane as shown in the figure.
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Use this exhibit to answer the following question(s).
Refer to . What is the magnitude of the resultant force (caused by the other two masses) on the mass at x = 0.40 m, y = 0?
a.
2.2 × 10?8 N
b.
1.9 × 10?8 N
c.
1.4 × 10?8 N
d.
1.6 × 10?8 N
e.
2.5 × 10?8 N