a speed of 12.0 m/s. The contact time is 0.100 seconds.afterbefore12.0 m/s16.0 m/s(a)Determine the momentum of the basketball before it hits the wall.momentum of the basketball =(b)Determine the momentum of the basketball after it hits the wall.momentum of the basketball =(c) (i)Calculate the impulse with the wall,impulse with the wall =(ii) hence obtain the force of the wall on the ball.force of the wall on the ball =PHY310@HCISMomentumPage 4 of 6 Figure below showsa new car.dummy of mass 70 kg used in a crash test to investigate the safety ofpassengercompartmentbarrierdummywindscreenThe car approaches a solid barrier at 20 m/s. It crashes into the barrier and stops suddenly.(a)(i)Calculate the momentum of the dummy immediately before the crash.momentum =[2](ii)Determine the impulse that must be applied to the dummy to bring it to rest.impulse =[1](Ь)In the crash test, the passenger compartment comes to rest in 0.20 s.Calculate the deceleration of the passenger compartment.deceleration =[2]The seat belt and air bag bring the dummy to rest so that it does not hit the windscreen.The dummy has an average deceleration of 80m/s?.(c)Calculate the average resultant force applied to the dummy, of mass 70 kg.force =[2]PHY310@HCISMomentumPage 5 of 6

Answered: Image /qna-images/answer/9023b215-e77c-4043-a420-c7072bf40c80.jpg

a speed of 12.0 m/s. The contact time is 0.100 seconds. before after 16.0 m/s 12.0 m/s (a) Determine the momentum of the basketball before it hits the wall. momentum of the basketball = (b) Determine the momentum of the basketball after it hits the wall. momentum of the basketball = (c) (i) Calculate the impulse with the wall, impulse with the wall = (ii) hence obtain the force of the wall on the ball. force of the wall on the ball =

a speed of 12.0 m/s. The contact time is 0.100 seconds. before after 16.0 m/s 12.0 m/s (a) Determine the momentum of the basketball before it hits the wall. momentum of the basketball = (b) Determine the momentum of the basketball after it hits the wall. momentum of the basketball = (c) (i) Calculate the impulse with the wall, impulse with the wall = (ii) hence obtain the force of the wall on the ball. force of the wall on the ball =

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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3. A baseball with a mass of 0.14kg is traveling horizontally with a speed of 42m/s and is hit by a bat. After the collision the ball moves with an angle phi = 35º above its incident path, and with a speed of 50m/s.a) Determine the impulse (force) exerted on the ball.b) Assuming the collision lasts 1.5ms, what is the average force?c) Determine the change in momentum of the bat.
An estimated force-time curve for a baseball struck by a bat is shown in the figure below. Let Fmax = 19 000 N, ta = 1.5 ms, and to = 2 ms. F(N) Fmax 1₂ to From this curve, determine each of the following. 0 (ms) (a) the magnitude of the impulse delivered to the ball N.S (b) the average force exerted on the ball KN
max 20,000 N, t, = 1.5 ms, and t, = 3 ms. From this curve, determine the An estimated force-time curve for a baseball struck by a bat is shown in the figure below. Let F, following. Fmax F (N) t (ms) ta (a) the magnitude of the impulse delivered to the ball N.s (b) the average force exerted on the ball kN
(a) If the impulse experienced during the collision is 200 Ns, use the information in the plot to calculate the peak force experienced during the collision. (b) Calculate the average force experienced during the collision.
I. A lump of clay (m = 3.01 kg) is thrown towards a wall at speed v = 3.15 m/s. The lump sticks to the wall. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. II. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 3.15 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic energy lost during this collision. III. Same lump is thrown towards the same wall, but this time it bounces off the wall at speed of 2.24 m/s. (a) What kind of collision is it? Is momentum conserved during this collision? Why or why not? (b) Calculate the impulse imparted on the lump by the wall. (c) Calculate percent of initial kinetic…
4. The magnitude of the net force exerted in the x direction on a 4.00-kg particle varies in time as shown in the figure below. F (N) A 20 15 10 5 + 10 20 30 40 t (s) (a) Find the impulse of the force over the 40.0-s time interval. (b) Find the final velocity the particle attains if it is originally at rest. (c) Find the average force exerted on the particle for the time interval between 0 and 40.0 s.
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?
TWO-PART QUESTION PART ONE: A 12000 kg tank moving at 8 m/s is broughtto a halt in 1.5 s by a reinforced-steel tankbarrier.What magnitude of the impulse was imparted to the tank?Answer in units of kgm/s. PART TWO: What is the average net force exerted bythe tank on the barrier?Answer in units of N.