A bullet with mass 5.24 g is fired horizontally into a 1.905-kg block attached to a horizontal spring. Thespring has a constant 5.87 x 102 N/m and reaches a maximum compression of 6.33 cm.(a) Find the initial speed of the bullet-block system.m/s(b) Find the speed of the bullet.m/s You should assume that there is negligible frictionbetween the block and the surface it is on.• You should assume that the bullet and block cometo equilibrium before the block has moved yet. (Thatis what is meant by the "initial" speed of the bullet-block system.)• What types of energy are relevant for this situation?What types of energy are not relevant?

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Asked Feb 20, 2020
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A bullet with mass 5.24 g is fired horizontally into a 1.905-kg block attached to a horizontal spring. The
spring has a constant 5.87 x 102 N/m and reaches a maximum compression of 6.33 cm.
(a) Find the initial speed of the bullet-block system.
m/s
(b) Find the speed of the bullet.
m/s
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A bullet with mass 5.24 g is fired horizontally into a 1.905-kg block attached to a horizontal spring. The spring has a constant 5.87 x 102 N/m and reaches a maximum compression of 6.33 cm. (a) Find the initial speed of the bullet-block system. m/s (b) Find the speed of the bullet. m/s

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You should assume that there is negligible friction
between the block and the surface it is on.
• You should assume that the bullet and block come
to equilibrium before the block has moved yet. (That
is what is meant by the "initial" speed of the bullet-
block system.)
• What types of energy are relevant for this situation?
What types of energy are not relevant?
help_outline

Image Transcriptionclose

You should assume that there is negligible friction between the block and the surface it is on. • You should assume that the bullet and block come to equilibrium before the block has moved yet. (That is what is meant by the "initial" speed of the bullet- block system.) • What types of energy are relevant for this situation? What types of energy are not relevant?

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Expert Answer

(a) The expression for conservation of energy

Both bullet and the block travels at the same speed after the bullet hits the block. The kinetic energy of the bullet-block system is stored as the potential energy of the spring.

Physics homework question answer, step 1, image 1

Substitution

Physics homework question answer, step 2, image 1

(b) The expression for conservation of momentum

Physics homework question answer, step 3, image 1

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