The figure below shows a bullet of mass 210 g traveling horizontally towards the east with a speed of 420 m/s, which strikes a block of mass 2.5 kg that is initially at rest on a frictionless table.**Diagram Explanation:**- The diagram depicts a bullet approaching a block on a table. The bullet is shown in motion towards the block, which is positioned on a horizontal surface.**Problem Statement:**After striking the block, the bullet is embedded in the block and both move together as one unit.**Questions:**(a) What are the magnitude (in m/s) and direction of the velocity of the block/bullet combination immediately after the impact?- Magnitude: [Text box for input] m/s- Direction: [Dropdown menu for selection](b) What are the magnitude (in N·s) and direction of the impulse by the block on the bullet?- Magnitude: [Text box for input] N·s- Direction: [Dropdown menu for selection](c) What are the magnitude (in N·s) and direction of the impulse from the bullet on the block?- Magnitude: [Text box for input] N·s- Direction: [Dropdown menu for selection](d) If it took 3 ms for the bullet to change the speed from 420 m/s to the final speed after impact, what is the average force (in N) between the block and the bullet during this time? (Enter the magnitude.)- Magnitude: [Text box for input] N

a) Let speed of the system be ‘V’. From conservation of momentum m1v1 + m2v2 = (m1 + m2)V V = [m1v1 + m2v2]/[m1 + m2] V = [0.21 x 420 + 2.5 x 0]/[0.21 + 2.5] V = 88.2/2.71 = 32.546 V = 32.54 m/s Direction ---- Direction of bullet is east.b) Impulse I bullet = Delta P = m. delta V I bullet = 0.21 x (32.54 - 420) I bullet = -81.396 N-s Direction – Opposite to the initial speed of the bullet (x-direction)c) I block = m. delta V = 2.5(32.54 - 0) I block = 81.35 N-s Direction –Block is in the same direction as the speed of bullet. d) Average force, Fav = I bullet/delta t Avg. force = 81.35/ 2.5 x 10^-3 = 81.35/0.0025 Avg force = 32540N

Science

Physics

he figure below shows a bullet of mass 210 g traveling horizontally towards the east with speed 420 m/s, which strikes a block of mass 2.5 kg that is initially at rest on a frictionless table. fter striking the block, the bullet is embedded in the block and the block and the bullet move together as one unit. (a) What are the magnitude (in m/s) and direction of the velocity of the block/bullet combination immediately after the impact? magnitude m/s direction --Select-- (b) What are the magnitude (in N- s) and direction of the impulse by the block on the bullet? magnitude N.s direction -Select-- (c) What are the magnitude (in N - s) and direction of the impulse from the bullet on the block? magnitude N.S direction -Select--- (d) If it took 3 ms for the bullet to change the speed from 420 m/s to the final speed after impact, what is the average force (in N) between the block and the bullet during this time? (Enter the magnitude.) N

he figure below shows a bullet of mass 210 g traveling horizontally towards the east with speed 420 m/s, which strikes a block of mass 2.5 kg that is initially at rest on a frictionless table. fter striking the block, the bullet is embedded in the block and the block and the bullet move together as one unit. (a) What are the magnitude (in m/s) and direction of the velocity of the block/bullet combination immediately after the impact? magnitude m/s direction --Select-- (b) What are the magnitude (in N- s) and direction of the impulse by the block on the bullet? magnitude N.s direction -Select-- (c) What are the magnitude (in N - s) and direction of the impulse from the bullet on the block? magnitude N.S direction -Select--- (d) If it took 3 ms for the bullet to change the speed from 420 m/s to the final speed after impact, what is the average force (in N) between the block and the bullet during this time? (Enter the magnitude.) N

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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