Draw a schematic (not to scale) diagram showing the Sun, the Earth circling around it, and the other seven planets with labels for each orbit
What will be an ideal response?
Diagram should show the Sun and the eight planets in order: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
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LR Circuits: A 1.50-H inductor is connected in series with a 200-? resistor through an ideal 15.0-V dc power supply and an open switch. How much energy is contained in the inductor 20.0 ms after closing the switch?
A. 0.910 mJ B. 1.83 mJ C. 3.65 mJ D. 7.31 mJ E. 5.48 mJ
What property of beta decay led to the proposal that the neutrino had to exist?
a. Beta decay changes the charge of nucleons. b. Beta decay results in electrons with a single predictable kinetic energy. c. Positron rather than electron emission is observed from some nuclei. d. Beta decay can result in transmutation from one element to another. e. Beta decay results in electrons with a range of kinetic energy levels.
The radioactive ages of the moon rocks show that the Moon's surface solidified about _____
A) 2.5 billion years ago B) 3.4 billion years ago C) 4.4 billion years ago D) 5.5 billion years ago
What are the important modes of heat transfer for a person sitting quietly in a room? What if the person is sitting near a roaring fireplace?
GIVEN - Person sitting quietly in a room - Person sitting in a room with a fireplace FIND (a) Modes of heat transfer for each situation ASSUMPTIONS - The person is clothed