Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
expand_more
expand_more
format_list_bulleted
Question
Chapter 4, Problem 41P
To determine
To Find: Direction and magnitude of acceleration of child B.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
A 9 kg object starting from rest falls througha viscous medium and experiences a resistiveforce R = −b v, where v is the velocity of theobject.The acceleration of gravity is 9.8 m/s^2.a) If the object’s speed reaches one-half its terminal speed in 5.24s, determine the terminalspeed.Answer in units of m/s.
b) At what time is the speed of the object threefourths the terminal speed?Answer in units of s.
c) How far has the object traveled in the first 5.24s of motion?Answer in units of m.
A child on a toboggan with a total mass m accelerates down a hill inclined at an angle θ to thehorizontal. Assume that friction is negligible. What is the magnitude of the child’s acceleration downthe hill?
A ball is thrown from the top of a tower at an angle of 40o to the horizontal with an initial speed of 6.60 m/s. During its flight, the only force acting on the ball is the force of gravity. It takes 3.55 s until the ball hits the ground. How tall is the tower?
Chapter 4 Solutions
Physics Fundamentals
Ch. 4 - Prob. 1QCh. 4 - Prob. 2QCh. 4 - Prob. 3QCh. 4 - Prob. 4QCh. 4 - Prob. 5QCh. 4 - Prob. 6QCh. 4 - Prob. 7QCh. 4 - Prob. 8QCh. 4 - Prob. 9QCh. 4 - Prob. 10Q
Ch. 4 - Prob. 11QCh. 4 - Prob. 12QCh. 4 - Prob. 13QCh. 4 - Prob. 14QCh. 4 - Prob. 15QCh. 4 - Prob. 16QCh. 4 - Prob. 1PCh. 4 - Prob. 2PCh. 4 - Prob. 3PCh. 4 - Prob. 4PCh. 4 - Prob. 5PCh. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - Prob. 9PCh. 4 - Prob. 10PCh. 4 - Prob. 11PCh. 4 - Prob. 12PCh. 4 - Prob. 13PCh. 4 - Prob. 14PCh. 4 - Prob. 15PCh. 4 - Prob. 16PCh. 4 - Prob. 17PCh. 4 - Prob. 18PCh. 4 - Prob. 19PCh. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Prob. 22PCh. 4 - Prob. 23PCh. 4 - Prob. 24PCh. 4 - Prob. 25PCh. 4 - Prob. 26PCh. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - Prob. 31PCh. 4 - Prob. 32PCh. 4 - Prob. 33PCh. 4 - Prob. 34PCh. 4 - Prob. 35PCh. 4 - Prob. 36PCh. 4 - Prob. 37PCh. 4 - Prob. 38PCh. 4 - Prob. 39PCh. 4 - Prob. 40PCh. 4 - Prob. 41PCh. 4 - Prob. 42PCh. 4 - Prob. 43PCh. 4 - Prob. 44PCh. 4 - Prob. 45PCh. 4 - Prob. 46PCh. 4 - Prob. 47PCh. 4 - Prob. 48PCh. 4 - Prob. 49PCh. 4 - Prob. 50PCh. 4 - Prob. 51PCh. 4 - Prob. 52PCh. 4 - Prob. 53PCh. 4 - Prob. 54PCh. 4 - Prob. 55PCh. 4 - Prob. 56P
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
- A diver explores a shallow reef off the coast of Belize. She initially swims 90.0 m north, makes a turn to the east and continues for 200.0 m, then follows a big grouper for 80.0 m in the direction 30 north of east. In the meantime, a local current displaces her by 150.0 m south. Assuming the current is no longer present, in what direction and how far should she now swim to come back to the point where she started?arrow_forwardA mass m is pulled up a frictionless incline at angle theta by rope with tension T, at an angle ø above the incline. What is the acceleration of the mass up the incline?arrow_forwardTwo muscles in the back of the leg pull upward on the Achilles tendon, as shown in the figure below. (These muscles are called the medial and lateral heads of the gastrocnemius muscle.) P₂-205N F₁-205 N 2626 Find the magnitude (in N) and direction (in degrees counterclockwise from the dotted line) of the total force on the Achilles tendon. 410 XN magnitude direction Xcounterclockwise from the dotted Ine What type of movement could be caused by this force? o This force can raise the heel of the foot This force can twist the ankle to the left or night. This force can turn the foot to the left or right This force can lower the heel of the footarrow_forward
- on an inclined plane, an object glides without friction, at an acceleration of 2.88 m / s2. Find the angle of the plane. Assume average severity.arrow_forwardA 45 ° wedge is pushed along a table with constant acceleration A. A block of mass m slides without friction on the wedge. Find the block's acceleration. Gravity is directed .downA 45 ° wedge is pushed along a table with constant acceleration A. A block of mass m slides without friction on the wedge. Find the block's acceleration. Gravity is directed .downarrow_forwardFind the magnitude of the hanging block's acceleration.arrow_forward
- An aerialist on a high platform holds on to a trapeze attached to a support by an8.0 m cord. Just before he jumps off the platform, the cord makes an angle of 41°with the vertical. He jumps, swings down, then back up, releasing the trapeze atthe instant it is 0.75 m below its initial height. Calculate the angle ? that thetrapeze cord makes with the vertical at this instant.arrow_forwardA mass weighing 5.25 kg is suspended from a cord that can be moved vertically up or down. Find the magnitude and direction of the acceleration of the mass when the cord tension is 21 N.arrow_forwardP₁ A 30° 5 ft 300 lb Fig. P3.29 X 50 lb B P₂ *3.29 The bar AB, which is inclined at the angle to the horizontal, is subjected to the four forces shown. Knowing that these forces have no resultant (neither a force nor a couple), determine P₁, P2, and 0.arrow_forward
- Two girls are trying to pull a 20kg toboggan out of deep snow that gives an opposing force of 8.0N. They are using ropes attached to the toboggan and parallel to the ground. Find the acceleration (magnitude and direction) of the toboggan at the instant it starts to move.arrow_forwardQ1/A 50.0kg woman inside an elevator is standing on a scale. How will the acceleration of the elevator affect the scale reading? Calculate the scale reading when (a) the elevator is accelerating upward at a, 3.0 m/s², (b) the elevator is going up with a constant velocity of v=2.0 m/s, (c) the elevator is at rest, (d) the elevator is going down with acceleration a,=-3.0 m/s², and (e) the elevator is going down with a constant velocity v, -2.0 m/s.arrow_forwardwhere g is the acceleration due to gravity and v* is the terminal velocity of the raindrop. (a) Find lim, v(t). (b) For a large raindrop in moderate rainfall, a typical terminal velocity is 7.5 m/s. How long does it take for the velocity of such a raindrop to reach 99% of its terminal velocity? (Take g = 9.8 m/s².) The velocity v(t) of a falling raindrop at time t is modeled by the equation v(t) = v*(1 – e¯9i/»*)arrow_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
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
Drawing Free-Body Diagrams With Examples; Author: The Physics Classroom;https://www.youtube.com/watch?v=3rZR7FSSidc;License: Standard Youtube License