Physics Fundamentals
2nd Edition
ISBN: 9780971313453
Author: Vincent P. Coletta
Publisher: PHYSICS CURRICULUM+INSTRUCT.INC.
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 4, Problem 47P
To determine
To Find:The constant force exerted by the hand on the ball.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
A 125 kg body sits at rest until 3 forces act up the body: F1 = 24.5 N @ 0o,
F2 = 38.0 N @ 160o, and F3 = 44.8 N @ 235o.
Determine:
(a) The resultant force vector
(b) The resultant acceleration vector
(c) The velocity vector at 10.0s
(d) The position vector at 10.0s
The gravitational force exerted on a baseball is 2.21 N down. A pitcher throws the ball horizontally with velocity 18.0 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 170 ms. The ball starts from rest, (a) Through what distance does it move before its release? (b) What are the magnitude and direction of the force the pitcher exerts on the hall?
Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and one mass slides on a 30.0 degree frictionless incline. The vertically hanging mass is 3.00 kg and the mass on the incline is 6.00 kg. The magnitude of the acceleration of the 3.00 kg mass is
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 man is trying to push a 75.0 kg rock across the ground by applying a constant force P at an angle θ = 27.5 ̊ below the horizontal. The coefficients of friction between the rock and the ground are μk = 0.430 and μs = 0.570. (a) If the rock is initially at rest, what force does the man need to apply to get it to start moving? (b) If the rock is already in motion, what force does he need to apply to get it accelerate at 2.75 m/s2?arrow_forwardA 2 kg box is against a vertical wall by a small force (f1=10n) perpendicular to the surface of the wall, and pushed upward by a force. Force applied to the box vertically. The force pushes the box and the wall. Determine the value of the applied force to keep the box moving upward at a constant velocityarrow_forwardA woman is sitting in a chair attached to a massless rope that runs over a massless, frictionless pulley attached to the ceiling. She holds the other end of the rope in the chair. Their combined mass is 95.0 kg. With what force magnitude must the woman pull on the rope if she is to rise: (a) With a constant velocity? (b) With an upward acceleration of 1.3 m/s2? (c) If the rope is instead pulled on by her co-worker on the ground, what force magnitude must the co-worker pull for her to rise (d) With a constant velocity? (e) With an upward acceleration of 1.3 m/s2? (Hint: A free body diagram will be particularly useful...)arrow_forward
- The figure shows two blocks connected by a lightweight string across a frictionless pulley. The hanging block has mass m1 = 6.00 kg and the second block has mass m2 = 3.50 kg. The ramp is frictionless and inclined at an angle of θ = 43.5° from the horizontal. When released from rest, block 1 will descend and block 2 will move up the ramp. (Assume the ramp is frictionless.) Determine the magnitude of each block's acceleration and the tension in the string.arrow_forwardA golf ball (m = 67.8 g) is hit by a clab that makes an angle of 25.1° with the horizontal. The ball lands 222 m away on a flat fairway. The acceleration of gravity is 9.8 m/s2. If the golf club and ball are in contact for 3.34 ms, what is the average force of impact? Neglect air resistance. Answer in units of N.arrow_forwardA block of mass m1 = 3.19 kg on a frictionless plane inclined at angle 0 = 33.8° is connected by a cord over a massless, frictionless pulley to a second block of mass m2 = 2.61 kg hanging vertically (see the figure). (a) What is the acceleration of the hanging block (choose the positive direction down)? (b) What is the tension in the cord?arrow_forward
- A block with a mass of 7.24 kg is on a horizontal surface that has friction. A string is pulling horizontally on the block with a force of 35.7 N at an angle of 12.9° above horizontal. The block is movingalong the surface at a constant speed of 3.06 m/s. What is the magnitude of the normal force that is acting on the block?arrow_forwardThree astronauts, propelled by jet backpacks, push and guide a 129 kg asteroid toward a processing dock, exerting the forces shown in the figure, with F₁ = 35.0 N, F₂ = 53.0 N, F3 = 40.0 N, 0₁ = 30.0°, and 03 = 60.0°. What is the (a) magnitude and (b) angle (measured relative to the positive direction of the x-axis in the range of (-180°, 180°]) of the asteroid's acceleration? 1 (a) Number (b) Number Units Units F₁ xarrow_forwardA firefighter with a weight of 7 N slides down a vertical pole with an acceleration of 3.00 m/s, directed downward. What are the magnitudes and directions of the vertical forces (a) on the firefighter due to the pole and (b) on the pole due to the firefighter?arrow_forward
- An electron (mass = 9.11 X 10-31 kg) leaves one end of a TV picture tube with zero initial speed and travels in a straight line to the accelerating grid, which is 2.70cm away. It reaches the grid with a speed of 3.30 X 106 m/s. If the accelerating force is constant, compute (a) %3D the acceleration (b) the time to reach the grid (c) The net force, in Newtons. Ignore the gravitational force on the electron.arrow_forward4.4 · A man is dragging a Figure E4.4 trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0°, and the man pulls upward with a force É whose direction makes an angle of 30.0° with the ramp (Fig. E44). (a) How large a force F is necessary for the component F, parallel to the ramp to be 60.0 N? (b) How large will the component Fy perpendi- cular to the ramp then be? 30,00 20.00arrow_forwardA 39 kg girl and a 7.7 kg sled are on the frictionless ice of a frozen lake, 10 m apart but connected by a rope of negligible mass. The girl exerts a horizontal 5.2 N force on the rope. What are the acceleration magnitudes of (a) the sled and (b) the girl? (c) How far from the girl's initial position do they meet? (a) Number Units (b) Number i Units (c) Number i Units 尾arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Newton's Second Law of Motion: F = ma; Author: Professor Dave explains;https://www.youtube.com/watch?v=xzA6IBWUEDE;License: Standard YouTube License, CC-BY