11 600 What is the magnitude of the impulse of the bat on the ball? 2 400- 200- A. 2,000 Ns B.O4,000 Ns 6. Time (ms) C. 4 Ns A 0.050 kg ball is moving to the left at 10 m/s when it is hit by a bat that is moving to the right. The magnitude of the force exerted on the ball by the bat is shown in the graph. D. 2 Ns 12 What is the speed of the ball after the collision with the bat? Force (N) 金

11 600 What is the magnitude of the impulse of the bat on the ball? 2 400- 200- A. 2,000 Ns B.O4,000 Ns 6. Time (ms) C. 4 Ns A 0.050 kg ball is moving to the left at 10 m/s when it is hit by a bat that is moving to the right. The magnitude of the force exerted on the ball by the bat is shown in the graph. D. 2 Ns 12 What is the speed of the ball after the collision with the bat? Force (N) 金

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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A 4.5 g golf ball is placed on a golf tee and then struck with a golf club. The force applied to the golf ball by the golf club is modelled in the force–time graph below. a.) What is the impulse applied to the golf ball? b.) What speed will the golf ball be travelling at once it leaves the golf club?
A car is stopped for a traffic signal. when the light turns green, the car accelerates, increasing its speed from 0 to 4.90 m/s in 0.812 s. A. what is the magnitude of the linear impulse experienced by a 72.0 -kg passenger in the car during the time the car accelerates? B. what is the magnitude of the average total force experienced by a 72.0-kg passenger in the car during the time the car accelerates?
3. Below is a force-time graph showing a curve for a baseball struck by a bat. Using the curve, determine the a. impulse delivered to the ball, b. the average force exerted on the ball, and c. the peak force exerted on the ball. F (N) F = 18 000 N 20 000 10 000 t (ms) 0 1 2 3
8. Four identical objects hit the surfaces below with the same initial speed (V) and either stop or rebound with a speed Vf in the directions shown. a. Rank the magnitude of the impulse on the ball from least to greatest in situations A, B and C. V Vf=0 Vf=V Vf=0 A B Vf=V D b. Compare situations A and D, the only difference between A and D in the surfaces is that D is soft. Which has a smaller stopping force on the ball, or are they the same? Use Impulse-Momentum theorem to justify answer.
E9. A ball traveling with an initial momentum of 4.0 kg•m/s bounces off a wall and comes back in the opposite direction with a momentum of -3.5 kg-m/s.a. What is the change in momentum of the ball?b. What impulse is required to produce this change? Answer with the correct formula. Fully solve the problem correctly.
Which of the following statement is not true about impulse? a. It is applied to change the momentum of an object b. It is the product of force and time during which the force acts c. Both a and b d. None of the choices
5. A truck and a small car are both going 10 mph when they collide head on. a. Does the truck or the car experiences the largest force during the collision? Why? b. Which experiences the largest impulse during the collision? Why? c. Which experiences the largest change in momentum during the collision? Why? d. Which will experience the largest change in velocity? Why?
6. Two blocks of masses m and 2m are placed in contact on a horizontal, frictionless surface, with the more massive block on the left. A force of magnitude F = 10.0 N, pointing to the right, is applied to the more massive block for a time of 5.00 s. What is the net impulse imparted to the more massive block? F A. 11.2 N-s B. 16.7 N-s C. 33.3 N-s D. 50.0 N-s E. 25.0 N-s 2m m
106 PART ONE MECHANICS 41. Marshall pushes crates starting from rest across the floor of his classroom for 3 s with a net force as shown. For each crate, rank the following from greatest to least: 75 N 100 N 30 kg 50 N 20 kg 10 kg A В a. Impulses delivered b. Changes in momentum c. Final speeds d. Momenta in 3 s
34. Imagine that a wood block is sliding along the surface of a desk. Can the frictional forces involved in this interaction change the momentum of the two-body system thought of as the Earth (including the desk) and the block? Yes, because it will provide a negative impulse to the block. Yes, because it will cause a negative impulse to the Earth. No, because the net force on the block will be zero. No, because there is no net external force on the system.
Question 10 please
An air track glider is moving along at a steady speed of 3.60 m/s when a force of 1.20 N is applied in the direction opposite to the motion of the glider for a time of 2.40 s. The force then steadily decreases at a rate of 0.60 N/s for the next 3.00 seconds. a. Find the total impulse b. the final speed of the 250-g glider.