7th Edition

ISBN: 2818440037979

Author: GIANCOLI

Publisher: PEARSON

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Textbook Question

Chapter 5, Problem 56P

(a) Show that if a satellite orbits very near the surface of a planet with period T, the density (=mass per unit volume) of the planet is ρ = m / V = 3 π / G T 2 . (b) Estimate the density of the Earth, given that a satellite near the surface orbits with a period of 85 min. Approximate the Earth as a uniform sphere.

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Chapter 5, Problem 55P

Chapter 5, Problem 57P

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Race car driver is cruising down the street at a constant speed of 28.9 m/s (~65 mph; he has a “lead” foot) when the traffic light in front of him turns red. a) If the driver’s reaction time is 160 ms, how far does he and his car travel down the road from the instant he sees the light change to the instant he begins to slow down? b) If the driver’s combined reaction and movement time is 750 ms, how far do he and his car travel down the road from the instant he sees the light change to the instant he slams on her brakes and car begins to slow down? Please answer parts a-B. Show all work. For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places. DONT FORGET TO DRAW VECTORS! ONLY USE BASIC FORMULAS TAUGHT IN PHYSICS. distance = speed * time.

Race car driver is cruising down the street at a constant speed of 28.9 m/s (~65 mph; he has a “lead” foot) when the traffic light in front of him turns red. a) If the driver’s reaction time is 160 ms, how far does he and his car travel down the road from the instant he sees the light change to the instant he begins to slow down? b) If the driver’s combined reaction and movement time is 750 ms, how far do he and his car travel down the road from the instant he sees the light change to the instant he slams on her brakes and car begins to slow down? c) If the driver’s average rate of acceleration is -9.5 m/s2 as he slows down, how long does it take him to come to a stop (use information about his speed of 28.9 m/s but do NOT use his reaction and movement time in this computation)? Please answer parts a-c. Show all work. For each question draw a diagram to show the vector/s. Show all the step and provide units in the answers. Provide answer to 2 decimal places unless stated otherwise.…

How is it that part a is connected to part b? I can't seem to solve either part and don't see the connection between the two.

Chapter 5 Solutions

PHYSICS:PRINCIPLES W/ APPLICATIONS

Ch. 5 - You revolve a ball around you in a horizontal...Ch. 5 - A space station revolves around the Earth as a...Ch. 5 - How many '‘accelerators” do you have in your car?...Ch. 5 - A car rounds a curve at a steady 50 km/h. If it...Ch. 5 - Will the acceleration of a car be the same when a...Ch. 5 - Prob. 4Q Ch. 5 - Prob. 5Q Ch. 5 - Prob. 6Q Ch. 5 - Prob. 7Q Ch. 5 - Prob. 8Q

Ch. 5 - Prob. 9Q Ch. 5 - 10. A car maintains a constant speed v as it...Ch. 5 - Prob. 11Q Ch. 5 - Prob. 12Q Ch. 5 - Does an apple exert a gravitational force on the...Ch. 5 - Why is more fuel required for a spacecraft to...Ch. 5 - Would it require less speed to launch a satellite...Ch. 5 - Prob. 16Q Ch. 5 - The Sun is below us at midnight, nearly in line...Ch. 5 - 18. When will your apparent weight be the...Ch. 5 - Prob. 19Q Ch. 5 - Prob. 20Q Ch. 5 - Is the centripetal acceleration of Mars in its...Ch. 5 - The mass of the '‘planet" Pluto was not known...Ch. 5 - Prob. 23Q Ch. 5 - Prob. 1MCQ Ch. 5 - Prob. 2MCQ Ch. 5 - Prob. 3MCQ Ch. 5 - Prob. 4MCQ Ch. 5 - Prob. 5MCQ Ch. 5 - Prob. 6MCQ Ch. 5 - Prob. 7MCQ Ch. 5 - Prob. 8MCQ Ch. 5 - Prob. 9MCQ Ch. 5 - Prob. 10MCQ Ch. 5 - Prob. 11MCQ Ch. 5 - 'A penny is placed on a turntable which is...Ch. 5 - A child sitting 1.20 m from the center of a...Ch. 5 - A jet plane traveling 1890 km/h (525 m/s) pulls...Ch. 5 - Prob. 3P Ch. 5 - What is the magnitude of the acceleration of a...Ch. 5 - 5. (II) A 0.55-kg ball, attached to the end of a...Ch. 5 - How fast (in rpm) must a centrifuge rotate if a...Ch. 5 - Prob. 7P Ch. 5 - How large must the coefficient of static friction...Ch. 5 - Prob. 9P Ch. 5 - Prob. 10P Ch. 5 - How many revolutions per minute would a...Ch. 5 - Prob. 12P Ch. 5 - Prob. 13P Ch. 5 - Prob. 14P Ch. 5 - Prob. 15P Ch. 5 - Prob. 16P Ch. 5 - Prob. 17P Ch. 5 - Prob. 18P Ch. 5 - Prob. 19P Ch. 5 - Prob. 20P Ch. 5 - Prob. 21P Ch. 5 - Prob. 22P Ch. 5 - Prob. 23P Ch. 5 - Determine the tangential and centripetal...Ch. 5 - Prob. 25P Ch. 5 - For each of the cases described below, sketch and...Ch. 5 - Prob. 27P Ch. 5 - Calculate the force of Earth's gravity on a...Ch. 5 - At the surface of a certain planet, the...Ch. 5 - At what distance from the Earth will a spacecraft...Ch. 5 - Prob. 31P Ch. 5 - Prob. 32P Ch. 5 - Prob. 33P Ch. 5 - Prob. 34P Ch. 5 - Prob. 35P Ch. 5 - Prob. 36P Ch. 5 - Prob. 37P Ch. 5 - Prob. 38P Ch. 5 - Prob. 39P Ch. 5 - Prob. 40P Ch. 5 - 41. (II) Every few hundred years most of the...Ch. 5 - 42 (II) Four 7.5-kg spheres are located at the...Ch. 5 - 43. (II) Determine the distance from the Earth's...Ch. 5 - 44.(II) A certain neutron star has five times the...Ch. 5 - 45. (I) A space shuttle releases a satellite into...Ch. 5 - 46. (I) Calculate the speed of a satellite moving...Ch. 5 - Prob. 47P Ch. 5 - Prob. 48P Ch. 5 - Calculate the period of a satellite orbiting the...Ch. 5 - Prob. 50P Ch. 5 - What will a spring scale read for the weight of a...Ch. 5 - Prob. 52P Ch. 5 - Prob. 53P Ch. 5 - A Ferris wheel 22.0 m in diameter rotates once...Ch. 5 - At what rate must a cylindrical spaceship rotate...Ch. 5 - (a) Show that if a satellite orbits very near the...Ch. 5 - Neptune is an average distance of 4.5 x 109 km...Ch. 5 - The asteroid Icarus, though only a few hundred...Ch. 5 - Prob. 59P Ch. 5 - Determine the mass of the Earth from the known...Ch. 5 - Prob. 61P Ch. 5 - Prob. 62P Ch. 5 - Prob. 63P Ch. 5 - Prob. 64P Ch. 5 - Prob. 65P Ch. 5 - Prob. 66P Ch. 5 - Prob. 67GP Ch. 5 - Prob. 68GP Ch. 5 - Prob. 69GP Ch. 5 - Prob. 70GP Ch. 5 - Prob. 71GP Ch. 5 - Prob. 72GP Ch. 5 - Prob. 73GP Ch. 5 - Prob. 74GP Ch. 5 - Two equal-mass stars maintain a constant distance...Ch. 5 - How far above the Earth's surface will the...Ch. 5 - Prob. 77GP Ch. 5 - Prob. 78GP Ch. 5 - The rings of Saturn are composed of chunks of ice...Ch. 5 - Prob. 80GP Ch. 5 - Prob. 81GP Ch. 5 - Prob. 82GP Ch. 5 - Prob. 83GP Ch. 5 - Prob. 84GP Ch. 5 - A satellite of mass 5500 kg orbits the Earth and...Ch. 5 - Prob. 86GP Ch. 5 - Prob. 87GP Ch. 5 - Prob. 88GP Ch. 5 - Prob. 89GP Ch. 5 - Prob. 90GP

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