NO.59 58. A projectile is launched vertically upward from a planet of massM and radius R; its initial speed is V2 times the escape speedDerive an expression for its speed as a function of the distance rfrom the planet's center.59. A spacecraft is in circular orbit 5800 km above Earth's surfaceCH How much will its altitude decrease if it moves to a new circularorbit where (a) its orbital speed is 10% higher or (b) its orbitalm period is 10% shorter?60. Two meteoroids are 150,000 km from Earth's center and head-ing straight toward Earth, one at 6 km/s, the other at 12 km/s. Atwhat speeds will they strike Earth?61. The New Horizons mission to Pluto had the fastest launch speedof any space probe-16.26 km/s. Assuming this speed wasachieved at negligible altitude compared with Earth's radius, findCHsloob ol gaibeoT2New Horizons' speed when it crossed the Moon's orbit.62. A satellite is in an elliptical orbit at altitudes ranging from 230 to890 km. At its highest point, it's moving at 7.23 km/s. How fast isit moving at its lowest point?63. A missile's trajectory takes it to a maximum altitude of 1500 km.If its launch speed is 6.2 km/s, how fast is it moving at the peak ofits trajectory?64. A 750-kg spacecraft has total energy -0.57 TJ and is in circtliarrhitol radius (b) its kinetic

Answered: Image /qna-images/answer/4c4e2b75-3b97-4848-85f6-e48aad2eed19.jpg

59. A spacecraft is in circular orbit 5800 km above Earth's surface How much will its altitude decrease if it moves to a new circular orbit where (a) its orbital speed is 10% higher or (b) its orbital period is 10% shorter? CH

59. A spacecraft is in circular orbit 5800 km above Earth's surface How much will its altitude decrease if it moves to a new circular orbit where (a) its orbital speed is 10% higher or (b) its orbital period is 10% shorter? CH

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

NO.59

58. A projectile is launched vertically upward from a planet of mass
M and radius R; its initial speed is V2 times the escape speed
Derive an expression for its speed as a function of the distance r
from the planet's center.
59. A spacecraft is in circular orbit 5800 km above Earth's surface
CH How much will its altitude decrease if it moves to a new circular
orbit where (a) its orbital speed is 10% higher or (b) its orbital
m period is 10% shorter?
60. Two meteoroids are 150,000 km from Earth's center and head-
ing straight toward Earth, one at 6 km/s, the other at 12 km/s. At
what speeds will they strike Earth?
61. The New Horizons mission to Pluto had the fastest launch speed
of any space probe-16.26 km/s. Assuming this speed was
achieved at negligible altitude compared with Earth's radius, find
CH
sloob ol gaibeoT2
New Horizons' speed when it crossed the Moon's orbit.
62. A satellite is in an elliptical orbit at altitudes ranging from 230 to
890 km. At its highest point, it's moving at 7.23 km/s. How fast is
it moving at its lowest point?
63. A missile's trajectory takes it to a maximum altitude of 1500 km.
If its launch speed is 6.2 km/s, how fast is it moving at the peak of
its trajectory?
64. A 750-kg spacecraft has total energy -0.57 TJ and is in circtliar
rhitol radius (b) its kinetic

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