Physics
7th Edition
ISBN: 9780321733627
Author: Douglas C. Giancoli
Publisher: PEARSON
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Textbook Question
Chapter 5, Problem 55P
At what rate must a cylindrical spaceship rotate if occupants are to experience simulated gravity of 0.70 g? Assume the spaceship’s diameter is 32 m, and give your answer as the time needed for one revolution. (See Question 9, Fig 5-33 )
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At what rate must a cylindrical spaceship rotate if occupants are to experience simulated gravity of 0.58 gg? Assume the spaceship's diameter is 25 mm , and give your answer as the time needed for one revolution
**68 @ Two small spaceships, each with mass m = 2000 kg, are in
the circular Earth orbit of Fig. 13-51, at an altitude h of 400 km.
Igor, the commander of one of the ships, arrives at any fixed point
in the orbit 90 s ahead of Picard, the
commander of the other ship. What
are the (a) period To and (b) speed
Vo of the ships? At point P in
Fig. 13-51, Picard fires an instanta-
neous burst in the forward direction,
reducing his ship's speed by 1.00%.
After this burst, he follows the ellip-
tical orbit shown dashed in the fig-
ure. What are the (c) kinetic
energy and (d) potential energy of
his ship immediately after the burst?
In Picard's new elliptical orbit, what are (e) the total
energy E, (f) the semimajor axis a, and (g) the orbital peripd T?
(h) How much earlier than Igor will Picard return to P?
Figure 13-51 Problem 68.
68
Two small spaceships, each with mass m = 2000 kg, are
in the circular Earth orbit of Fig. 13-50, at an altitude h of 400 km.
Igor, the commander of one of the
ships, arrives at any fixed point in
the orbit 90 s ahead of Picard, the
commander of the other ship. What
are the (a) period T, and (b) speed
Vo of the ships? At point P in Fig.
13-50, Picard fires an instantaneous
R
M
burst in the forward direction, re-
ducing his ship's speed by 1.00%.
After this burst, he follows the el-
liptical orbit shown dashed in the
figure. What are the (c) kinetic en-
ergy and (d) potential energy of his ship immediately after the
burst? In Picard's new elliptical orbit, what are (e) the total energy
E, (f) the semimajor axis a, and (g) the orbital period T? (h) How
much earlier than Igor will Picard return to P?
Fig. 13-50 Problem 68.
Chapter 5 Solutions
Physics
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