[3] A small block of mass Mis initially suspended by a light string of length L. A bullet of mass mis fired horizontally into the block with initial speed v. The bullet then emerged very quickly from the other side of the block with a reduced speed v₁ = 25% ₁. Take M = 4.0 kg, m= 65 g, and L = 45 cm. (a) As the bullet penetrates the block, is the mechanical energy of the bullet-block system conserved? What about the linear momentum? Give brief justifications. Find the expression of the speed V of the block just after it is penetrated by the bullet. (b) (c) Find the minimum value of v, such that the block will be able to make a complete revolution about the pivot point of the string (A).
[3] A small block of mass Mis initially suspended by a light string of length L. A bullet of mass mis fired horizontally into the block with initial speed v. The bullet then emerged very quickly from the other side of the block with a reduced speed v₁ = 25% ₁. Take M = 4.0 kg, m= 65 g, and L = 45 cm. (a) As the bullet penetrates the block, is the mechanical energy of the bullet-block system conserved? What about the linear momentum? Give brief justifications. Find the expression of the speed V of the block just after it is penetrated by the bullet. (b) (c) Find the minimum value of v, such that the block will be able to make a complete revolution about the pivot point of the string (A).
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 small block of mass Mis initially suspended by a light string of length L. A bullet
of mass mis fired horizontally into the block with initial speed 7. The bullet then
emerged very quickly from the other side of the block with a reduced speed v₁ = 25%
V₁. Take M = 4.0 kg, m= 65 g, and L = 45 cm.
(a) As the bullet penetrates the block, is the mechanical energy of the bullet-block
system conserved? What about the linear momentum? Give brief justifications.
Find the expression of the speed V of the block just after it is penetrated by the
bullet.
(b)
(c)
Find the minimum value of v, such that the block will be able to make a
complete revolution about the pivot point of the string (A).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcdbdf4c8-5459-45de-99f8-cd8d71031beb%2F5ec9fe67-acfd-46d0-b242-4f3851eb90ab%2Fw7985ld_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[3] A small block of mass Mis initially suspended by a light string of length L. A bullet
of mass mis fired horizontally into the block with initial speed 7. The bullet then
emerged very quickly from the other side of the block with a reduced speed v₁ = 25%
V₁. Take M = 4.0 kg, m= 65 g, and L = 45 cm.
(a) As the bullet penetrates the block, is the mechanical energy of the bullet-block
system conserved? What about the linear momentum? Give brief justifications.
Find the expression of the speed V of the block just after it is penetrated by the
bullet.
(b)
(c)
Find the minimum value of v, such that the block will be able to make a
complete revolution about the pivot point of the string (A).
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