A 1.5 kg block is dropped from a height of 2.5 m onto a spring with a spring constant of 1293.6 N/m. When the block is momentarily at rest, the spring has compressed by 25 cm. Find the speed of the block when the compression of the spring is 15 cm. Write down the expressions of the mechanical energy at each of the three locations of interest. Include a diagram of the situation along with your choice of coordinate system.

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A 1.5 kg block is dropped from a height of 2.5 m onto a spring with a spring constant of 1293.6 N/m. When the block is momentarily at rest, the spring has compressed by 25 cm. Find the speed of the block when the compression of the spring is 15 cm. Write down the expressions of the mechanical energy at each of the three locations of interest. Include a diagram of the situation along with your choice of coordinate system.

**Explanation of Diagram:**

The diagram illustrates a simple system involving a block and a vertical spring. The block begins at a height of 2.5 meters above the point where the spring is uncompressed. As the block falls, it compresses the spring. The three locations of interest are:

1. Initial position where the block is released from rest at 2.5 m.
2. The position where the spring is compressed by 15 cm.
3. The position where the spring is compressed by 25 cm, and the block is momentarily at rest.

The coordinate system is typically chosen with the positive y-axis pointing upwards, and the origin at the uncompressed position of the spring. 

The mechanical energy at each stage includes gravitational potential energy, kinetic energy, and elastic potential energy of the spring.
Transcribed Image Text:A 1.5 kg block is dropped from a height of 2.5 m onto a spring with a spring constant of 1293.6 N/m. When the block is momentarily at rest, the spring has compressed by 25 cm. Find the speed of the block when the compression of the spring is 15 cm. Write down the expressions of the mechanical energy at each of the three locations of interest. Include a diagram of the situation along with your choice of coordinate system. **Explanation of Diagram:** The diagram illustrates a simple system involving a block and a vertical spring. The block begins at a height of 2.5 meters above the point where the spring is uncompressed. As the block falls, it compresses the spring. The three locations of interest are: 1. Initial position where the block is released from rest at 2.5 m. 2. The position where the spring is compressed by 15 cm. 3. The position where the spring is compressed by 25 cm, and the block is momentarily at rest. The coordinate system is typically chosen with the positive y-axis pointing upwards, and the origin at the uncompressed position of the spring. The mechanical energy at each stage includes gravitational potential energy, kinetic energy, and elastic potential energy of the spring.
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