Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 31, Problem 21P
(a)
To determine
The expected time of observation.
(b)
To determine
The expected time of observation.
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Chapter 31 Solutions
Physics for Scientists and Engineers
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Ch. 31 - Prob. 11PCh. 31 - Prob. 12PCh. 31 - Prob. 13PCh. 31 - Prob. 14PCh. 31 - Prob. 15PCh. 31 - Prob. 16PCh. 31 - Prob. 17PCh. 31 - Prob. 18PCh. 31 - Prob. 19PCh. 31 - Prob. 20PCh. 31 - Prob. 21PCh. 31 - Prob. 22PCh. 31 - Prob. 23PCh. 31 - Prob. 24PCh. 31 - Prob. 25PCh. 31 - Prob. 26PCh. 31 - Prob. 27PCh. 31 - Prob. 28PCh. 31 - Prob. 29PCh. 31 - Prob. 30PCh. 31 - Prob. 31PCh. 31 - Prob. 32PCh. 31 - Prob. 33PCh. 31 - Prob. 34PCh. 31 - Prob. 35PCh. 31 - Prob. 36PCh. 31 - Prob. 37PCh. 31 - Prob. 38PCh. 31 - Prob. 39PCh. 31 - Prob. 40PCh. 31 - Prob. 41PCh. 31 - Prob. 42PCh. 31 - Prob. 43PCh. 31 - Prob. 44PCh. 31 - Prob. 45PCh. 31 - Prob. 46PCh. 31 - Prob. 47PCh. 31 - Prob. 48PCh. 31 - Prob. 49PCh. 31 - Prob. 50PCh. 31 - Prob. 51PCh. 31 - Prob. 52PCh. 31 - Prob. 53PCh. 31 - Prob. 54PCh. 31 - Prob. 55PCh. 31 - Prob. 56PCh. 31 - Prob. 57PCh. 31 - Prob. 58PCh. 31 - Prob. 59PCh. 31 - Prob. 60PCh. 31 - Prob. 61PCh. 31 - Prob. 62PCh. 31 - Prob. 63PCh. 31 - Prob. 64PCh. 31 - Prob. 65PCh. 31 - Prob. 66PCh. 31 - Prob. 67PCh. 31 - Prob. 68PCh. 31 - Prob. 69PCh. 31 - Prob. 70PCh. 31 - Prob. 71PCh. 31 - Prob. 72PCh. 31 - Prob. 73PCh. 31 - Prob. 74PCh. 31 - Prob. 75PCh. 31 - Prob. 76PCh. 31 - Prob. 77PCh. 31 - Prob. 78PCh. 31 - Prob. 79PCh. 31 - Prob. 80PCh. 31 - Prob. 81PCh. 31 - Prob. 82PCh. 31 - Prob. 83PCh. 31 - Prob. 84P
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- A mini satellite weighing 50 kg is going to be launched into an orbit around earth by arocket. One sidereal day (period of earth’s self-orbit) is 23 hours, 56 minutes and 4.1seconds. (a) The rocket is to be launched from a platform in the Mongolian Plateau with a heightof 3.5 km above earth surface. Calculate the acceleration due to earth’s gravity atthis elevation.(b) The satellite shall complete 10 orbits in precisely 1 sidereal day. Calculate theorbital height and orbital velocity of the satellite.(c) Once the satellite is in this orbit, what is the acceleration due to earth’s gravityexperienced by the satellite?(d) Referring to your answer in part (c), explain why the satellite does not fall towardsearth as a result of earth’s gravitational pull?(e) Calculate the total energy of the satellite in orbit, using infinity as frame ofreference.(f) Calculate the escape velocity to leave earth’s gravitational well.arrow_forwardA solar eclipse is only visible over a narrow strip on the Earth's surface. This is most closely associated with: Select one alternative: The ways in which our view of the sky depends on latitude. The combination of the Earth's rotation on its axis and its movement around the sun. The elliptical nature of the moon's orbit. The perspective dependence associated with parallax. Solar eclipses are actually visible to everyone on the daylight side of the earth.arrow_forwardDo you think an observer on another planet in the solar system might see eclipses? Why orwhy not?arrow_forward
- Consider a star at a distance of 100 light years from the Earth and is moving relative to the Earth at a constant velocity of 70000 km/hr perpendicular to its line of sight from the Earth. What is the change of its angular position on our sky when viewed by us now and by the ancient Egyptian 6000 years ago? Ignore all other effect, e.g., the axial precession of the Earth. 1. (A) 0.24 arcsecond (В) 13 arcminutes (C) 0.5 degree (D) 2.6 degrees (E) 5.0 degreesarrow_forwardThe number of hours of daylight in Montreal t days after the beginning of the year is approximately 2л ( 365 – 172) + D(t) 4 cos + 12 | Find the rate of increase of hours of sunlight per day 249 days after the beginning of the year. (Reminder: be sure to set your calculator to radians.) Enter your answer as a decimal, and make sure that it is correct to at least 3 decimal places of accuracy.arrow_forwardChoose the BEST answer to the following: When the shadow of the Moon falls on Earth, we have a (a) lunar eclipse. (b) solar eclipse (c) solar eclipse if it’s daytime and lunar eclipse if it’s nighttime. (d) very dangerous event.arrow_forward
- When can a total solar eclipse occur: (Give ALL correct answers, i.e., B, AC, BCD...) A) only in spring. B) only at new moon. C) at any time of year. D) anywhere on Earth. E) only at full moon. F) only at the equator.arrow_forwardLunar eclipses are always eclipses of a full Moon. That is, the Moon is always seen full just before and after Earth’s shadow passes over it. Why is this? Why can we never have a lunar eclipse when the Moon is in its crescent or half-moon phase?arrow_forwardThe average Earth-Moon distance is 3.84 X 10^5 km, while the Earth-Sun is 1.496 X 10^8 km. Since the radius of the Moon is 1.74 X 10^3 km and that of the Sun is 6.96 X 10^5 km. a) Calculate the angular radius of the Moon and the Sun, qmax, according to the following figure. D Bax R b) Calculate the solid angle of the Moon and the Sun as seen from Earth. (c) Interpret its results; Would this be enough to explain the occurrence of total solar eclipses?arrow_forward
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