Lecture- Tutorials for Introductory Astronomy
3rd Edition
ISBN: 9780321820464
Author: Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher: Addison-Wesley
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Chapter 2, Problem 2NEP
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A spring is attached to an inclined plane as shown in the figure. A block of mass m = 2.71 kg is placed on the incline at a distance d = 0.285 m along the incline from the end of the spring. The block is given a quick shove and moves down the incline with an initial speed v = 0.750 m/s. The
incline angle is = 20.0°, the spring constant is k = 505 N/m, and we can assume the surface is frictionless. By what distance (in m) is the spring compressed when the block momentarily comes to rest?
m
m
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A block of mass m = 2.50 kg situated on an incline at an angle of
k=100 N/m
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50.0° is connected to a spring of negligible mass having a spring constant of 100 N/m (Fig. P8.54). The pulley and incline are frictionless. The block is released from rest with the spring initially unstretched.
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m
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(a) How far does it move down the frictionless incline before coming to rest?
m
(b) What is its acceleration at its lowest point?
Magnitude
m/s²
Direction
O up the incline
down the incline
(a) A 15.0 kg block is released from rest at point A in the figure below. The track is frictionless except for the portion between points B and C, which has a length of 6.00 m. The block travels down the track, hits a spring of force constant 2,100 N/m, and compresses the spring 0.250 m
from its equilibrium position before coming to rest momentarily. Determine the coefficient of kinetic friction between the block and the rough surface between points B and C.
-A
3.00 m
B
C
-6.00 m
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(b) What If? The spring now expands, forcing the block back to the left. Does the block reach point B?
Yes
No
If the block does reach point B, how far up the curved portion of the track does it reach, and if it does not, how far short of point B does the block come to a stop? (Enter your answer in m.)
m
Chapter 2 Solutions
Lecture- Tutorials for Introductory Astronomy
Ch. 2 - Does this planet obey Kepler's second law? How do...Ch. 2 - If you were carefully watching this planet during...Ch. 2 - Draw two lines: one connecting the planet at...Ch. 2 - Pick any two planet positions (C, D, E, F, G, H,...Ch. 2 - How would the time it takes the planet to travel...Ch. 2 - During which of the two time intervals for which...Ch. 2 - During which of the two time intervals for which...Ch. 2 - Does the planet appear to be traveling the same...Ch. 2 - At which position would the planet have been...Ch. 2 - At Position D, is the speed of the planet...
Ch. 2 - Provide a concise statement that describes the...Ch. 2 - Which of the three orbits shown below (A, B, or C)...Ch. 2 - Which of the listed objects would experience the...Ch. 2 - Describe the extent to which you think Earth's...Ch. 2 - Which of the two planets (Esus or Sulis) do you...Ch. 2 - If Esus and Sulis were to switch positions, would...Ch. 2 - Do you think the orbital period for Esus would...Ch. 2 - Imagine both Esus and Sulis were in orbit around...Ch. 2 - According to the graph, would you say that the...Ch. 2 - How far from the central star does a planet orbit...Ch. 2 - How long does it take a planet to complete one...Ch. 2 - Based on your results from Questions 6 and 7,...Ch. 2 - What is the name of the planet that you identified...Ch. 2 - Using the information provided in the table above...Ch. 2 - A student in your class makes the following...Ch. 2 - Review your answers to Questions 1-4. Do you still...Ch. 2 - Given that Earth is much larger and more massive...Ch. 2 - Prob. 2NEPCh. 2 - How would the strength of the force between the...Ch. 2 - On the diagram, clearly label the location where...Ch. 2 - On the diagram, clearly label the location where...Ch. 2 - Where would the spaceprobe experience the...Ch. 2 - When the spacecraft is at the halfway point, how...Ch. 2 - Two students are discussing their answer to the...Ch. 2 - If the spaceprobe had lost all ability to control...Ch. 2 - Imagine that you need to completely stop the...Ch. 2 - Your weight on Earth is simply the gravitational...Ch. 2 - Which value, apparent magnitude, or absolute...Ch. 2 - Prob. 2APPCh. 2 - Prob. 3APPCh. 2 - Prob. 4APPCh. 2 - The star Lee has an apparent magnitude of 0.1 and...Ch. 2 - Prob. 6APPCh. 2 - Prob. 7APPCh. 2 - Imagine that you are looking at the stars from...Ch. 2 - Repeat Question 1 for July and label the distant...Ch. 2 - In the box below, the same distant stars are shown...Ch. 2 - In the same box, draw another × to indicate the...Ch. 2 - Prob. 5THPCh. 2 - Prob. 6THPCh. 2 - Starting from Earth in January, draw a line...Ch. 2 - Prob. 8THPCh. 2 - Prob. 9THPCh. 2 - Is a parsec a unit of length or a unit of angle?...Ch. 2 - Prob. 11THPCh. 2 - Prob. 12THPCh. 2 - Prob. 13THPCh. 2 - Check your answers to Questions 6 and 11 and...Ch. 2 - What is the angle between you, the house, and the...Ch. 2 - You see the Moon on the horizon just above the...Ch. 2 - Compare your answers for the barn-house angle from...Ch. 2 - Do the angles from above tell you anything about...Ch. 2 - Prob. 5PAPCh. 2 - Prob. 6PAPCh. 2 - Prob. 7PAPCh. 2 - Prob. 8PAPCh. 2 - Prob. 9PAPCh. 2 - Prob. 10PAPCh. 2 - Prob. 11PAPCh. 2 - Prob. 12PAPCh. 2 - Prob. 13PAPCh. 2 - Which object will look brighter from Earth, the...Ch. 2 - Prob. 2SPEPCh. 2 - Star B has an apparent magnitude of 0, which tells...Ch. 2 - Prob. 4SPEPCh. 2 - Prob. 5SPEPCh. 2 - Prob. 6SPEPCh. 2 - Prob. 7SPEP
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