A scientific model must make a testable prediction
Indicate whether the statement is true or false
TRUE
Physics & Space Science
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If you stretch a copper wire so that it is thinner, the resistance between its ends
A) decreases. B) remains unchanged. C) increases.
Physics & Space Science
To pluck a nucleon from a nucleus requires
A) work. B) kinetic energy. C) potential energy. D) none of the above
Physics & Space Science
Which of the following is a unit of energy:
a. watt b. ft—lb/sec c. newton/sec. d. horsepower e. joule
Physics & Space Science
The coil in a 60-Hz ac generator has an area of 3.0 × 10-2 m2 and is rotated in a 0.12 T magnetic field. The coil has 125 turns. What is the peak output voltage of this generator?
A) 170 V B) 120 V C) 200 V D) 110 V E) 220 V
Physics & Space Science