LON-CAPA A Projectile and a x chegg Study Guided Solutio × c secure https: capa8

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LON-CAPA A Projectile and a x chegg Study Guided Solutio × c secure https: capa8.phy ohio edures ohiou ctnell hap07/ prob0732.problem?symb-uploaded %2tohiou%2f9139 1804150295a49oucapa2%2fdefault 1350056937%2esequen Megan Michalak(Student- section: 101) Physics 2001/Spring 2018 l Messages Courses Help Logout Main Menu Contents Grades Course Contents» * Assignment 8 A Projectile and a Wooden Block Timer Notes . Evaluate-Feedback-Mint Oil A Projectile and a Wooden Block Due in 12 hours, 6 minut A 0.151 kg projectile is fired with a velocity of +709 m/s at a 2.15 kg wooden block that rests on a frictionless table. The velocity of the block, immediately after the projectile passes through it, is +42.5 m/s. Calculate the velocity with which the projectile exits from the block. Submit Answer Tries 0/10 This discussion is closed Send Feedback

Explanation / Answer

here,

mass of projectile , m1 = 0.151 kg

mass of block , m2 = 2.15 kg

initial speed of projectile , u1 = 709 m/s

final speed of block , v2 = 42.5 m/s

let the final speed of projectile be v1

using conservation of momentum

m1 * u1 + m2 * 0 = m1 * v1 + m2 * v2

0.151 * 709 = 0.151 * v1 + 2.15 * 42.5

solving for v1

v1 = 103.9 m/s

the final speed of projectile is 103.9 m/s

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