E Motion - PhET InteractiveO Assignments ListDashboardxbb cengage - BingA HW-CH4 - PHYS201, sect xO https://www.webassign.net/web/Student/Assignment-Responses/last?dep=26954312..Additional MaterialsO eBookViewing Saved Work Revert to Last Response2. [-/1 Points]DETAILSSERCP10 4.P.002.ASK YOUR TEACHERPRACTICE ANOTHERMY NOTESA football punter accelerates a football from rest to a speed of 12 m/s during the time in which his toe is in contact with the ball (about 0.11 s). If the football has a mass of0.46 kg, what average force does the punter exert on the ball?NAdditional MaterialsO eBookASK YOUR TEACHERPRACTICE ANOTHERMY NOTES3. [-/2 Points]DETAILSSERCP10 4.P.003.A 8.1 kg object undergoes an acceleration of 3.4 m/s(a) What is the magnitude of the resultant force acting on it?N(b) If this same force is applied to a 4.9 kg object, what acceleration is produced?m/sAdditional MaterialsOBook809 AMA9/22/2021官P Type here to search

Momentum of an object at an instant is a product of its mass and instantaneous velocity. Momentum is…

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College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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2. Given the pulley system with block A and a pull down motion at point B at 6 m/s, determine the following:(a) Datum. You may write the datum directly on the provided diagram or you may redraw the diagram and indicate the datum.(b) Positive directions of block A and point B.(c) Appropriate labels that will be used in formulating an equation (eg. Sa, Sb, La, Lb, etc) You may write the labels directly on the provided diagram or you may redraw the diagram and indicate the labels.(d) Equation for the total length of cord/s (if applicable).(e) Resulting equation after differentiating the equation in (c) with respect to time.(f) Velocity (magnitude and direction) of block A.
1. State the three laws of motion. 2. Why does a child in a wagon seem to fall back when you give the wagon a sharp pull forward? 3. If the acceleration of an object is zero, are no forces acting on it? Explain. 4. If an object is moving, is it possible for the net force acting on it to be zero? 5. Only one force acts on an object. Can the object have zero acceleration? Can it have zero velocity? Explain. 6. When an object falls freely under the influence of gravity there is a net force mg exerted on it by the Earth. Yet by newton's third law the object exerts an equal and opposite force on the Earth. Does the Earth move?
4. Billy Bob Joe is trying to save his crates full of bananas that are in danger of falling over a cliff. He pulls on one of the crates with a rope, applying a force P as shown. He is quite strong, so he is able to pull the crates to safety, so that the whole system is accelerating to safety. a. Write the equation of motion for every object in this system. Your final equations should only have P, m₁, M², M³, M4, g, T1, T2, T3, µk, and 0 in them. Box each equation. b. Solve for the acceleration of the crates in terms of only P, M₁, M2, M3, M4, g, μk, and 0. 3 3 3 4 T 2 T 3 m 2 T 1 μ k m 1
2. 1. Newton's 3rd Law of Motion a. A person in a canoe moves the paddle backward in the water, and the canoe moves forward in the water 2. Newton's 2nd Law of Motion b. A person riding in a forward-moving car continues to move forward when the car stops suddenly 3. Newton's 1st Law of Motion C. A large truck requires more gas to accelerate in comparison to a small car 3. Which of the following forces is an at a distance force? SAVE & EXIT SUBMIT ALL ANSWER
3. Mr. Purley crashed his car with the greatest g force ever survived by a human being. He decelerated from 53.6m/s to zero in a distance of only about .59m calculate Mr. Purley's acceleration. I A. 2687m C. 2435m B. 2874m D. 3234m 4. An astronaut drops a rock on an asteroid. The rock is released from a height of 1.45m above the ground 1.89 seconds later. What is the acceleration due to gravity on this asteroid. A. -.17 m/s2 C. -.70 m/s? B. -.35 m/s² D. .406 m/s2 MacBook Air 41 F7 F3 F4 8. 3. 4. E Y H. 6 LL
3. One object dropped from the top of a tall building, and one second later a second object is dropped. Neglecting air resistance, the distance between the falling objects will a. Be constant b. Decrease c. Increase d. Depend on their weight e. Depend on the speed of the plane. Explain your reasoning:
5. A baseball is thrown upward from a height of 3 meters above Earth's surface with an initial velocity of 10m/s, and the only force acting on it is gravity. The ball has a mass of 0.15kg at Earth's surface. A. Find the velocity v(t) of the baseball at time t. B. What is its velocity after 2 seconds? C. The graph of the baseball
A 10.0-kg box is pulled along a horizontal surface by a force of 40.0 N applied at a 30.0° angle with vertical. Coefficient of kinetic friction is 0.30. Calculate the acceleration. a. 0.52 meter per second squared b. 3.76 meter per second squared c. 1.12 meter per second squared d. 3.16 meter per second squared e. None of the above
OSCOLPHYS2016 4.3.WA.019. ABP Sign in MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Alex is asked to move two boxes of books in contact with each other and resting on a frictionless floor. He decides to move them at the same time by pushing on box A with a horizontal pushing force F = 8.6 N. Here box A has a mass m = 10.5 kg and box B has a mass m = 7.0 kg. The contact force between the two boxes is F, and N %3D %3D denotes the normal force. %3D FP mA mB (a) What is the acceleration (in m/s²) of the two boxes? m/s2 (b) What is the force (in N) exerted on mg by m ? (c) If Alex were to push from the other side on the 7.0 kg box, how would your answer to part (b) change? Additional Materials Reading 5:25 PM P Type here to search 75°F Sunny 10/10/2021 4. DELL F12 PrtScr Insert Delete F8 F9 F10 F11 F2 F3 F4 F5 F6 F7 Esc F1 & Backspace @ #3 9 6. 1. 3 * 00
You throw your physics book across the room. It hits the floor and skids to a stop. Once it hits the floor, what force keeps the book in motion? A. The force of friction parallel to the surface keeps the book in motion B. The normal force from the ground keeps the book in motion C. The applied force of your throw keeps the book in motion D. There is no force that keeps it in motion.
1. Your friend's daughter slides down an icy sliding board. Her motion can be described as motion with: a. A constant speed b. A constant acceleration greater than 10 m/s² C. A constant acceleration less than 10 m/s² d. A constant speed that depends on the steepness of the sliding board 2. A bowler lifts a bowling ball from the floor and places it on a rack. If you know the weight of the ball, what else must you know in order to calculate the work she does on the ball? a. Ball's diameter b. Rack height Lift time C. d. Lifter mass 3. A bug rides on a phonograph record. In which direction does the acceleration of the bug point? Tangent to the circular path Toward the center of the record C. Away from the center of the record d. up a. b.
21. An experiment consist of throwing ball straight up with varying initial velocities. Which quantity will have the same value in all trials? a. initial momentum b. maximum hieght c. Time travel d. acceleration 22. Compared to the inertia of a 1-kilogram mass, the inertia of a 4 kilograms mass is a. One-fourth as great c. 16 times as great b. One-sixteenth as great d. 4 times as great 23. As the mass of an object decreases, it's inertia will . As a. decrease b. remain the same c. Increase d. None of these 24. If the mass of a moving object could be doubled, the inertia of the object would be a. halved b. doubled c. unchanged d. quadrupled 25. The fundamental units for a force of 1 Newton are a. meter per second? b. kilograms c. meter per second? per kilogram d. kilogram meters per second ?

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