Determine the ratio of the force exerted by the sun on the moon to that exerted by the earth on the moon for position A of the moon. Repeat for position B. AO Answers: R₂= Sunlight
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- 1. Read and U What information are you given? Mass= m = 0.15 kg Speed of light = c = 300,000,000 m/s = 3 x 108 m/s 2. Plan and Solve What unknown are you trying to calculate? The amount of energy produced = E = ? What formula contains the given quantities and the unknown? E = mc2 Replace each variable with its known variable and known value. E = (0.15 kg)(3.00 x 108 m/s)2 E = 1.35 x 10¹6 kg.m²/s2 = 1.4 x 1016 J 3. Look Back and Check a separate In a nuclear reactor, 1.5 kilograms of plutonium-239 is completely converted to energy. How many joules of energy are produced? nitsA balloon is rising at a rate of 6 meters per second from a point on the ground 50 meters from an observer. Find the rate of change of the angle of elevation from the observer to the balloon when the balloon is 34 meters above the ground. 9 260 X radians/secondA friend of yours (who has not had the benefit of an astronomy course) tells you about a report he has read in a tabloid newspaper. He claims that on the dark side of the Moon (the side that never receives any sunlight), there is a secret base of aliens who cannot stand light and send UFO's to Earth under the cover of darkness. What is the scientific error in this story? Group of answer choices All sides of the Moon are illuminated by sunlight in the course of a month; there is no dark side. While we have some credible reports of UFO landings, it is difficult to imagine that advanced aliens would be afraid of the light. The dark side of the Moon is the one that faces the Earth and our telescopes would have spotted such a base. This seems to be a perfectly reasonable story. The space program of the world's countries has landed thousands of spacecraft on the dark side of the Moon. Since the moon is turning, we see all sides of it from Earth in the course of a…