Voltage is a measure of the energy per unit charge supplied by a battery
a. True
b. False
Indicate whether the statement is true or false
True
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Lunar eclipses can occur only during a
A) new Moon. B) first quarter Moon. C) full Moon. D) third quarter Moon.
A 1.8 kg solid disk pulley of radius 0.11 m rotates about an axis through its center. (a) What is its moment of inertia? (b) Starting from rest, a torque of 0.22 m-N will produce what angular acceleration?
What will be an ideal response?
Using the energy-time version of the uncertainty principle, estimate the uncertainty in energy of a state with lifetime 10-9 s.
A. 10-2 eV B. 10-7 eV C. 10-12 eV D. 10-15 eV E. 10-18 eV
When a fast neutron collides with a hydrogen or deuterium nucleus, the most likely result is that
a. the neutron has an appreciable gain in kinetic energy, the gain being greatest for head-on collisions. b. the neutron has an appreciable gain in kinetic energy, the gain being greatest for oblique collisions. c. the neutron has an appreciable loss in kinetic energy, the loss being greatest for head-on collisions. d. the neutron has an appreciable loss in kinetic energy, the loss being greatest for oblique collisions. e. the neutron is absorbed by the hydrogen or deuterium nucleus.