You throw a ball with a mass of 0.40 kg against a brick wall. It hits the wall moving horizontally to the left at and rebounds horizontally to the right at left at 30 m/s and rebounds horizontally to the right at 20 m/s*. (a) Find the impulse of the net force on the ball during its collision with the

You throw a ball with a mass of 0.40 kg against a brick wall. It hits the wall moving horizontally to the left at and rebounds horizontally to the right at left at 30 m/s and rebounds horizontally to the right at 20 m/s*. (a) Find the impulse of the net force on the ball during its collision with the

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 car of mass m = 1.01 tonnes travelling northward enters an intersection at vo = 60 km/h. The car is struck by a truck entering the intersection from its left. The car is deflected by an angle 3 = 30° and recoils from the collision at a speed v = 61.2 km/h, as shown in the figure, Z4 Truck Car What is the magnitude of the impulse of the force of the truck onto the car during the collision? Number Units What is the direction of the impulse with respect to east (with anti-clockwise positive)? Number Units If the duration of the collision is 0.26 s, what is the magnitude of the average force exerted by truck on car? Number Units
A tennis ball strikes a wall with an initial speed of 15 m/s. The ball bounces off the wall but rebounds with slightly less speed (14 m/s) after the collision. Explain (a) what else changed its momentum in response to the ball’s change in momentum so that overall momentum is conserved, and (b) how some of the ball’s kinetic energy was lost.
A particle of mass m moving with a velocity (3i + 2j)m/s collides with a stationary body of mass M and finally moves with a velocity 1 find: 13' m (-2î + j)m/s.If- M the impulse received by each.
A truck with a mass of 1480 kg and moving with a speed of 17.0 m/s rear-ends a 732 kg car stopped at an intersection. The collision is approximately elastic since the car is in neutral, the brakes are off, the metal bumpers line up well and do not get damaged. (a) Calculate the initial momentum of the truck (in kg m/s). kg m/s (b) Calculate the final velocities (in m/s) for the truck and the car. vtf= m/svcf= m/s (c) Calculate the total momentum (in kg m/s) of the truck AND the car after the collision. kg m/s (d) Did you expect the results that you got for Part (a) and (c)? Yes, since the collision is inelastic. No, since there were no forces acting on either the car or the truck during the collision. Yes, since momentum is conserved in a collision with no external forces acting on the colliding objects. No, since kinetic energy may not be conserved.
Julia pass a basketball to her friend Luna by making a bounce pass. Julia throws a 0.60 kg basketball toward the floor at a speed of 7 m/s and at an angle of 65 degrees with respect to the vertical. If the ball rebounds with the same speed and angle towards Luna, calculate the impulse delivered to the ball by the floor. Choose up and away from Julia as your positive direction.
A football player is preparing to punt the ball down the field. He drops the ball from rest and it falls vertically 1.0 m down ongo his foot. After he kicks it, the ball leaves the foot with a speed of 18 m/s at an angle of 51 degrees above the horizontal. 1) what is the magnitude of the impulse delivered to the ball in Kg meters per sec as he kicks it? An american football has a mass of 420 g 2) at what angle in degrees above the horizontal is the impulse delivered to the football?
neeed fast
Can you produce a net impulse on an automobile by sitting inside and pushing on the dashboard? Can the internal forces within a soccer ball produce an impulse on the soccer ball that will change its momentum?
A man who could only find a 75-kg blue rock nearby decides to drive a metal beach umbrella pole down into the soft sand of Galveston beach by dropping it straight down from a resting height of 2.3 meters. If the blue rock does not rebound off the pole just after contact (that means bouncing back and possibly hitting him in the head) then calculate the impulse the rock places on the umbrella pole. Assume the metal beach umbrella has a total mass of 175-kg
Which situation would have a greater impulse: Assume each collision is isolated to one dimension. A car of mass m travelling at 50 km/h. hitting an identical car head on, travelling in the opposite direction at 50 km/h
A tennis player receives a shot with the ball (0.0600 kg) traveling horizontally at 50.4 m/s and returns the shot with the ball traveling horizontally at 31.4 m/s in the opposite direction. (Take the direction of the ball's final velocity (toward the net) to be the +x-direction.) (a) What is the impulse delivered to the ball by the racket? magnitude N-S direction Select-v (b) What work does the racket do on the ball? (Indicate the direction with the sign of your answer.)