In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.05 kg) and embeds itself in block 2 (mass 1.76 kg). The blocks end up with speeds v1 = 0.510 m/s and v2 = 1.40 m/s (see Figure (2)). Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1.
In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.05 kg) and embeds itself in block 2 (mass 1.76 kg). The blocks end up with speeds v1 = 0.510 m/s and v2 = 1.40 m/s (see Figure (2)). Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1.
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Mechanic Physics:
In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.05 kg) and embeds itself in block 2 (mass 1.76 kg). The blocks end up with speeds v1 = 0.510 m/s and v2 = 1.40 m/s (see Figure (2)). Neglecting the material removed from block 1 by the bullet, find the speed of the bullet as it (a) leaves and (b) enters block 1.
![The image is a visual portrayal of a physics problem focusing on the conservation of momentum in a frictionless environment.
### Description:
#### Diagram (1):
- **Initial State:**
- There are two blocks, labeled "1" and "2," positioned on a frictionless horizontal surface.
- A small projectile is depicted moving towards block "1" from the left-hand side.
- The surface is noted to be frictionless, allowing for a smooth motion of the blocks without resistance.
#### Diagram (2):
- **Final State:**
- After the collision, the projectile has presumably struck block "1", causing both blocks to move.
- Block "1" is now moving to the right with velocity denoted as "v1."
- Block "2" is also moving to the right with velocity denoted as "v2."
- The dashed arrows within each block indicate the direction and relative magnitude of their velocities.
### Analysis:
- This scenario can be analyzed using the principles of linear momentum conservation, which states that in the absence of external forces, the total momentum of a system remains constant.
- Considering the frictionless surface, the only interactions that change the momentum of the blocks are the collision with the projectile.
### Equations:
- Let the mass of block "1" be \( m_1 \), the mass of block "2" be \( m_2 \), the mass of the projectile be \( m_p \), and the initial velocity of the projectile be \( u_p \).
- The initial momentum of the system is given by \( m_p \times u_p \).
- The final momentum of the system is the sum of the momenta of the two blocks and the projectile post-collision: \( m_1 \times v_1 + m_2 \times v_2 \).
- By the law of conservation of momentum:
\[
m_p \times u_p = m_1 \times v_1 + m_2 \times v_2
\]
This setup provides the fundamental basis for further calculations and analysis in physics problems related to collisions and momentum conservation.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd42d719a-449f-48b1-aab8-7d4b2716ce3d%2F50ceea4d-19e5-48fa-9364-6d71b8c62038%2Fijo2fzn.jpeg&w=3840&q=75)
Transcribed Image Text:The image is a visual portrayal of a physics problem focusing on the conservation of momentum in a frictionless environment.
### Description:
#### Diagram (1):
- **Initial State:**
- There are two blocks, labeled "1" and "2," positioned on a frictionless horizontal surface.
- A small projectile is depicted moving towards block "1" from the left-hand side.
- The surface is noted to be frictionless, allowing for a smooth motion of the blocks without resistance.
#### Diagram (2):
- **Final State:**
- After the collision, the projectile has presumably struck block "1", causing both blocks to move.
- Block "1" is now moving to the right with velocity denoted as "v1."
- Block "2" is also moving to the right with velocity denoted as "v2."
- The dashed arrows within each block indicate the direction and relative magnitude of their velocities.
### Analysis:
- This scenario can be analyzed using the principles of linear momentum conservation, which states that in the absence of external forces, the total momentum of a system remains constant.
- Considering the frictionless surface, the only interactions that change the momentum of the blocks are the collision with the projectile.
### Equations:
- Let the mass of block "1" be \( m_1 \), the mass of block "2" be \( m_2 \), the mass of the projectile be \( m_p \), and the initial velocity of the projectile be \( u_p \).
- The initial momentum of the system is given by \( m_p \times u_p \).
- The final momentum of the system is the sum of the momenta of the two blocks and the projectile post-collision: \( m_1 \times v_1 + m_2 \times v_2 \).
- By the law of conservation of momentum:
\[
m_p \times u_p = m_1 \times v_1 + m_2 \times v_2
\]
This setup provides the fundamental basis for further calculations and analysis in physics problems related to collisions and momentum conservation.
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