Tutorials in Introductory Physics
1st Edition
ISBN: 9780130970695
Author: Peter S. Shaffer, Lillian C. McDermott
Publisher: Addison Wesley
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 18.1, Problem 1aTH
What is the direction of the 
at any time, state that explicitly. Explain.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Don't need a lot of details. Just do the math.
Thanks
Determine the angular velocity, wAB, of link AB and the velocity, UB, of collar B for
the instant represented. Assume the quantities wo and r to be known.
2r
45
B
At the given instant, the point A starts moving at a velocity of 4,3 m/s to the right when the angle 0= 52°. Determine the angular velocity of the rod and write
your answer in the box below.
m
Peter propels a penguin with mass 10.0kg from 2.50m above the ground at an angle 30.0o from the horizontal axis (ground), with an initial speed of 15.0 m/s. Assuming the penguin remains rigid (scared, so assume the particle model!) and ignoring any rotational effects,
What is the horizontal range of the penguin (where it lands on the ground)?
a.
23.6 meters
b.
24.1 meters
c.
47.1 meters
d.
19.9 meters
e.
31.5 meters
Chapter 18 Solutions
Tutorials in Introductory Physics
Ch. 18.1 - What is the direction of the angular velocity of...Ch. 18.1 - What is the direction of the wheel’s angular...Ch. 18.1 - Rank the magnitudes of the centripetal...Ch. 18.1 - For each situation described below, describe a...Ch. 18.1 - The equation a0andaR0 is not a correct vector...Ch. 18.2 - Prob. 1aTHCh. 18.2 - Draw an extanded freebody diagram for the ruler at...Ch. 18.2 - Rank the magnitudes of all the forces on your...Ch. 18.2 - Is the rotation of the ruler about the pivot in a...Ch. 18.2 - In the boxes at right, indicate the direction of...
Ch. 18.2 - Check that your descriptions of the motion of the...Ch. 18.2 - Parts iiv refer to the instant shown in the...Ch. 18.2 - Suppose that each force shown above is exerted for...Ch. 18.3 - What does this observation imply about the net...Ch. 18.3 - Draw an extended free-body diagram for theboard in...Ch. 18.3 - Would the board remain at rest in this case?...Ch. 18.3 - On the figure above, mark the approximate location...Ch. 18.3 - Is the amount of mass of the system (clay and...Ch. 18.3 - A T-shaped sheet of uniform thickness has a...
Additional Science Textbook Solutions
Find more solutions based on key concepts
1. Rub your hands together vigorously. What happens? Discuss the energy transfers and transformations that take...
College Physics: A Strategic Approach (4th Edition)
5.106 A 70-kg person rides in a 30-kg cart moving at 12 m/s at the top of a hill that is in the shape of an arc...
University Physics (14th Edition)
The magnitude of force of gravity.
Physics (5th Edition)
What is a concept?
Integrated Science
Is Earths inner core solid and the outer core liquid because the inner core is cooler than the outer core? Expl...
Conceptual Integrated Science
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- (The complete question is in the picture) A flywheel with a radius of 0.750 [m] initially at rest is spun with an angular acceleration of 0.520 [rad/s2]. When the flywheel has traveled an angle of 225◦, what is the radial acceleration at the edge of the flywheel? A. 1.50 [m/s2]B. 3.06 [m/s2]C. 11.0 [m/s2]D. 180 [m/s2]arrow_forwardBelow is a sketch of the toy on a rotor ride at the moment after the floor drops. The rotor has a radius of R and the toy has mass m. Assume the angular velocity is constant, and the toy is not slipping downward. write Newton’s Second Law for the x and y directions. Use algebra and your equations above to predict the minimum angular velocity ωmin necessary to keep the toy “stuck” to the side of the rotation tube. Express your answer in terms of g, μs, R. (nonumbers yet). Show all of your work and your final result below.arrow_forwardFour toy racecars are racing along a circular race track. The cars start at the 3-o'clock position and travel cCW along the track. t-6.16 Car C is constantly 4 feet from the center of the race track and travels at a constant speed. The angle Car C sweeps out increases at a constant rate of 0.5 radian per second. a. How many radians O does car C sweep out in t seconds? Preview b. Define a function h that determines Car C's distance to the right of the center of the race track (in feet) as a function of the number of seconds t since the start of the race. h(t) - Preview c. Car C must sweep out 2n radians to complete one full lap, and we know it sweeps out 0.5 radian per second. How many seconds will i take Car C to complete one full lap? seconds Preview d. Sketch the graph of the function à below. 27 -2 Clear All Draw: W W e. What is the amplitude of h? Previewarrow_forward
- Bar AB is rotating about A with an angular velocity of wRA = 3.5 rad/s counterclockwise. At this instant bar BC is horizontal. Find the wye and also, velocity of collar C Note. You must solve the problem in the way that we solved in the class. Use vg= V + WXTRA and express the vectors in Cartesian vector form. Other solutions will not be evaluated. Solve the problem step by step, and clearly show your work. 15/ 55 mm 200 mmarrow_forwardThe collars are pin connected at B and are free to move along rod OA and the curved guide OC having the shape of a cardioid, r=[0.2(1+cosθ)] m. At θ = 33 ∘, the angular velocity of OA is θ˙=3.0 rad/s. (Figure 1) Determine the magnitude of the velocity of the collars at this point. Express your answer to three significant figures and include the appropriate units.arrow_forwardFor each of the following problems, a point is rotating with uniform circular motion on acircle of radius r. Give your answer in exact form. Find v if r = 2 ft and the point rotates at 40 rpm.arrow_forward
- In the space below, make a sketch of angular displacement, , as a function of time as you slowly and steadily bring your foot from beneath you, to the extended position. Appendix A has a nice review of how to sketch a plot of “something” vs. “another thing”. You may find the drawing function in Google docs useful in creating the plot. Or you can sketch it out on paper and attach a photograph of the sketch, your preference.arrow_forwardA disk drive with a radius of 0.065 m starts rotating from rest with a constant angular acceleration. It takes 2.5 seconds to complete ten revolutions. One complete revolution takes how long? What is the linear displacement of the rim after ten revolutions? Determine the angular acceleration of the disk in radians per second squared (rad/s^2). Please provide work so I may better understand, thank you.arrow_forwardA Bluray disc is 12 cm in diameter. When put into a player, it takes 30 seconds for the disc toaccelerate to its playing speed of 1500 revolutions per minute. After this time, it spins at a constantangular velocity. Explain why you did everything you did.a) Find the distance traveled by a point on the edge of the disc during the time it takes to reachits playing speed. b) Make plots of θ, ω and α for the first 60 seconds after the disc is put in the player. (Note thisis longer than the 30 seconds of acceleration.) You may assume it spins counterclockwisearrow_forward
- Compute for the total moment of pt. A and pt. B Ps. with complete solution without any shortcuts, pleasearrow_forwardProblem 3: Crankshaft mechanism is one of the most important mechanical system used to convert translational motion or reciprocating motion to rotational motion and vice versa. It is widely used in cars' engines and hydraulic pumps. Your role in car's engine manufacturing company is to analyze the displacement, velocity and acceleration diagrams for crankshaft planer mechanism to later find the forces of the links to avoid overloading the system. Your manger asked you the provide detailed analysis of the crankshaft planar mechanism shown in Figure.3. Part.1: -140 mm 60 mm Crank Connecting Rod x(t) V(t) a(t) F(t) (OB Piston x(t) Reference Figure.3: Crankshaft planar mechanism for a car 'engine. If the zero-position x=0 at the extreme right as shown in Figure.3, perform the following tasks: 1. Derive a mathematical relation for displacement, velocity and acceleration x(t), v(t) and a(t) of the piston B. 2. Derive a mathematical relation for force F(t) on the piston B by making use of the…arrow_forwardYou are given the rate of rotation of a wheel aş well as its radius. Determine the following. (Express your answers in terms of T.) 17 revolutions/sec, r = 20 cm (a) angular speed, in units of radians/sec radians/sec (b) linear speed, in units of cm/sec, of a point on the circumference of the wheel cm/sec (c) linear speed, in cm/sec, of a point halfway between the center of the wheel and the circumference cm/secarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
28.1 Rigid Bodies; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=u_LAfG5uIpY;License: Standard YouTube License, CC-BY