Three blocks (1,2,3) of mass 3.00 kg, 2.00 kg, 1.00 kg sit linearly 10.0 cm apart from each other on a frictionless surface. • A 25 g bullet is shot at the first block, it travels through the first block, and embeds itself into the second block (without falling over) which then collides into the third block. block I block 2 block 3 a. Assuming the final collision is elastic, and the third block has a final velocity of 5.00 m/s, what is the velocity of block 2 just before it collides into block 3? b. What is the velocity of the bullet before it embeds itself into block 2? c. Assuming the bullet slowed down by only 10% while it travelled through block 1, what was the speed of block 1 after the bullet traveled through it?

Three blocks (1,2,3) of mass 3.00 kg, 2.00 kg, 1.00 kg sit linearly 10.0 cm apart from each other on a frictionless surface. • A 25 g bullet is shot at the first block, it travels through the first block, and embeds itself into the second block (without falling over) which then collides into the third block. block I block 2 block 3 a. Assuming the final collision is elastic, and the third block has a final velocity of 5.00 m/s, what is the velocity of block 2 just before it collides into block 3? b. What is the velocity of the bullet before it embeds itself into block 2? c. Assuming the bullet slowed down by only 10% while it travelled through block 1, what was the speed of block 1 after the bullet traveled through it?

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

Question

**Problem Description:**

Three blocks (1, 2, 3) of masses 3.00 kg, 2.00 kg, and 1.00 kg respectively, are positioned linearly 10.0 cm apart from each other on a frictionless surface.

A 25 g bullet is shot at the first block. It travels through the first block and embeds itself into the second block (without falling over), which then collides into the third block.

**Questions:**

a. Assuming the final collision is elastic, and the third block has a final velocity of 5.00 m/s, what is the velocity of block 2 just before it collides into block 3?

b. What is the velocity of the bullet before it embeds itself into block 2?

c. Assuming the bullet slowed down by only 10% while it traveled through block 1, what was the speed of block 1 after the bullet traveled through it?

**Diagram Explanation:**

The diagram illustrates three blocks on a flat, frictionless surface. Block 1 has a mass of 3 kg, block 2 has a mass of 2 kg, and block 3 has a mass of 1 kg. The blocks are separated from each other by 10 cm. An arrow indicates the direction of the bullet shot towards block 1.

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