2. A pebble rolls off the roof of Science Hall and falls vertically. Just before it reaches the ground, the pebble's speed is 17 m/s. Neglect air resistance and determine the height of Science Hall. A) 42 m B) 33 m C) 26 m D) 21 m E) 15 m

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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
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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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**Problem: Calculating the Height of Science Hall**

A pebble rolls off the roof of Science Hall and falls vertically. Just before it reaches the ground, the pebble's speed is 17 m/s. Neglect air resistance and determine the height of Science Hall.

**Options:**
- A) 42 m
- B) 33 m
- C) 26 m
- D) 21 m
- E) 15 m

---

**Solution Approach:**

This problem involves calculating the height of a building based on the speed of an object falling freely from its roof. Assuming negligible air resistance, you can apply the equations of motion under gravity to solve for the height.
Transcribed Image Text:**Problem: Calculating the Height of Science Hall** A pebble rolls off the roof of Science Hall and falls vertically. Just before it reaches the ground, the pebble's speed is 17 m/s. Neglect air resistance and determine the height of Science Hall. **Options:** - A) 42 m - B) 33 m - C) 26 m - D) 21 m - E) 15 m --- **Solution Approach:** This problem involves calculating the height of a building based on the speed of an object falling freely from its roof. Assuming negligible air resistance, you can apply the equations of motion under gravity to solve for the height.
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