PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
1st Edition
ISBN: 9781323834831
Author: Knight
Publisher: PEARSON C
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Chapter 15, Problem 43EAP
Astronauts in space cannot weigh themselves by standing on a bathroom scale. Instead, they determine their mass by oscillating on a large spring. Suppose an astronaut attaches one end of a large spring to her belt and the other end to a hook on the wall of the space capsule. A fellow astronaut then pulls her away from the wall and releases her. The spring’s length as a function of time is shown in FIGURE P15.43.
a. What is her mass if the spring constant is 240 N/m?
b. What is her speed when the spring’s length is 1.2 m?
FIGURE P15.43
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An astronaut in space cannot weigh themselves by standing on a bathroom scale.
Instead, they determine their mass by oscillating on a large spring. The astronaut
attaches one end of a large spring to their belt and the other end to a hook on the
wall of the space capsule. A fellow astronaut pulls them away from the wall and
then releases. The spring's length as a function of time is shown in the graph.
L (m)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
t (s)
3
A. What is the astronaut's mass is if the spring constant is 240 N/m?
B. Write an equation for the length, L(t), of the spring as a function of time, t.
C. Write an equation for the velocity of the astronaut as a function of time.
D. What is the astronaut's speed when the spring length is 1.2m?
Astronauts in space cannot weigh themselves by standing
on a bathroom scale. Instead, they determine their mass by
oscillating on a large spring. Suppose an astronaut
attaches one end of a large spring to her belt and the other
end to a hook on the wall of the space capsule. A fellow
astronaut then pulls her away from the wall and releases
her. The spring's length as a function of time is shown in
the figure (Figure 1).
Figure
L (m)
W
1.4
1.2-
1.0
0.8
0.6
0.4
0.2
0.0
T
3
1 of 1
-t (s)
What is her mass if the spring constant is 270 N/m ?
Express your answer with the appropriate units.
m = 62 kg
Submit
Part B
Correct
V =
What is her speed when the spring's length is 0.70 m ?
Express your answer with the appropriate units.
0.81
Previous Answers
Submit
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sec
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Astronauts in space cannot weigh themselves by standing on a bathroom scale. Instead, they
determine their mass by oscillating on a large spring. Suppose an astronaut attaches one end of a
large spring to her belt and the other end to a hook on the wall of the space capsule. A fellow
astronaut then pulls her away from the wall and releases her. The spring's length as a function of
time is shown in the figure (Figure 1).
Figure
L (m)
1.4
1.2
W
1.0
0.8-
0.6
0.4
0.2-
0.0
0
3
6
t (s)
Part A
What is her mass if the spring constant is 270 N/m?
Express your answer with the appropriate units.
m = 62 kg
Submit
✓ Correct
Part B
Previous Answers
What is her speed when the spring's length is 0.70 m ?
Express your answer with the appropriate units.
v= 0.209
μA
Provide Feedback
S
m
S
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Chapter 15 Solutions
PHYS 212 FOR SCI+ENG W/MAST PHYS >ICP<
Ch. 15 - Prob. 1CQCh. 15 - A pendulum on Planet X, where the value of g is...Ch. 15 - FIGURE Q15.3 shows a position-versus-time graph...Ch. 15 - FIGURE Q15.4 shows a position-versus-time graph...Ch. 15 - 5. Equation 15.25 states that . What does this...Ch. 15 - A block oscillating on a spring has an amplitude...Ch. 15 - A block oscillating on a spring has a maximum...Ch. 15 - 8. The solid disk and circular hoop in FIGURE...Ch. 15 - FIGURE Q15.9 shows the potential-energy diagram...Ch. 15 - Suppose the damping constant b of an oscillator...
Ch. 15 - Prob. 11CQCh. 15 - 12. What is the difference between the driving...Ch. 15 - An air-track glider attached to a spring...Ch. 15 - An air-track is attached to a spring. The glider...Ch. 15 - Prob. 3EAPCh. 15 - An object in SHM oscillates with a period of 4.0 s...Ch. 15 - What are the (a) amplitude, (b) frequency, and (c)...Ch. 15 - What are the (a) amplitude, (b) frequency, and (c)...Ch. 15 - FIGURE EX15.7 is the Position-versus-time graph of...Ch. 15 - FIGURE EX15.8 is the velocity-versus-time graph of...Ch. 15 - An object in simple harmonic motion has an...Ch. 15 - An object in simple harmonic motion has amplitude...Ch. 15 - An object in simple harmonic motion has amplitude...Ch. 15 - An object in simple harmonic motion has amplitude...Ch. 15 - An air-track glider attached to a spring...Ch. 15 - 14. A block attached to a spring with unknown...Ch. 15 - 15. A 200 g air-track glider is attached to a...Ch. 15 - A 200 g mass attached to a horizontal spring...Ch. 15 - Prob. 17EAPCh. 15 - A 1.0 kg block is attached to a spring with spring...Ch. 15 - Prob. 19EAPCh. 15 - Prob. 20EAPCh. 15 - A spring is hanging from the ceiling. Attaching a...Ch. 15 - 22. A spring with spring constant 15 N/m hangs...Ch. 15 - 23. A spring is hung from the ceiling. When a...Ch. 15 - Prob. 24EAPCh. 15 - A 200 g ball is tied to a string. It is pulled to...Ch. 15 - Prob. 26EAPCh. 15 - Prob. 27EAPCh. 15 - Prob. 28EAPCh. 15 - Prob. 29EAPCh. 15 - A 100 g mass on a 1.0-m-long string is pulled 8.0...Ch. 15 - A uniform steel bar swings from a pivot at one end...Ch. 15 - Prob. 32EAPCh. 15 - Prob. 33EAPCh. 15 - Prob. 34EAPCh. 15 - Vision is blurred if the head is vibrated at 29 Hz...Ch. 15 - Prob. 36EAPCh. 15 - Prob. 37EAPCh. 15 - a. When the displacement of a mass on a spring is...Ch. 15 - For a particle in simple harmonic motion, show...Ch. 15 - A 100g block attached to a spring with spring...Ch. 15 - A 0.300 kg oscillator has a speed of 95.4cm/s when...Ch. 15 - An ultrasonic transducer, of the type used in...Ch. 15 - Astronauts in space cannot weigh themselves by...Ch. 15 - 44. Your lab instructor has asked you to measure a...Ch. 15 - A 5.0 kg block hangs from a spring with spring...Ch. 15 - Prob. 46EAPCh. 15 - A block hangs in equilibrium from a vertical...Ch. 15 - Prob. 48EAPCh. 15 -
49. Scientists are measuring the properties of a...Ch. 15 - Prob. 50EAPCh. 15 - A compact car has a mass of 1200 kg. Assume that...Ch. 15 - Prob. 52EAPCh. 15 - Prob. 53EAPCh. 15 - Prob. 54EAPCh. 15 - Prob. 55EAPCh. 15 - Prob. 56EAPCh. 15 - Prob. 57EAPCh. 15 - A uniform rod of mass M and length L swings as a...Ch. 15 - Prob. 59EAPCh. 15 - 60. A 500 g air-track glider attached to a spring...Ch. 15 - Prob. 61EAPCh. 15 - Prob. 62EAPCh. 15 - A molecular bond can be modeled as a spring...Ch. 15 - Prob. 64EAPCh. 15 - Prob. 65EAPCh. 15 - Prob. 66EAPCh. 15 - The 15 g head of a bobble-head doll oscillates in...Ch. 15 - An oscillator with a mass of 500 g and a period of...Ch. 15 - Prob. 69EAPCh. 15 - Prob. 70EAPCh. 15 - Prob. 71EAPCh. 15 - Prob. 72EAPCh. 15 - Prob. 73EAPCh. 15 - A block ona frictionless FIGURE P15.74 to two...Ch. 15 - Prob. 75EAPCh. 15 - Prob. 76EAPCh. 15 - A solid sphere of mass M and radius R is suspended...Ch. 15 - A uniform rod of length L oscillates as a pendulum...Ch. 15 - Prob. 79EAPCh. 15 - Prob. 80EAPCh. 15 - FIGURE CP15.81 shows a 200 g uniform rod pio4ed at...
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