A contestant in a winter games event pushes a 39.0 kg block of ice across a frozen lake as shown in the figure. 25° The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving. (b) What is its acceleration (in m/s2) once it starts to move, if that force is maintained? m/s2

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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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**Winter Games Physics Problem**

A contestant in a winter games event pushes a 39.0 kg block of ice across a frozen lake as shown in the figure.

![Diagram of contestant pushing a block of ice](#)

- The contestant applies a force \( F \) at an angle of 25° to the horizontal.

**Problem Details:**

- The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03.

**Questions:**

(a) Calculate the minimum force \( F \) (in N) he must exert to get the block moving.

\[ \_\_\_\_\_\_\_\_\_ \text{N} \]

(b) What is its acceleration (in m/s\(^2\)) once it starts to move, if that force is maintained?

\[ \_\_\_\_\_\_\_\_\_ \text{m/s}^2 \]

**Additional Materials:**

- [Reading](#)
Transcribed Image Text:**Winter Games Physics Problem** A contestant in a winter games event pushes a 39.0 kg block of ice across a frozen lake as shown in the figure. ![Diagram of contestant pushing a block of ice](#) - The contestant applies a force \( F \) at an angle of 25° to the horizontal. **Problem Details:** - The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. **Questions:** (a) Calculate the minimum force \( F \) (in N) he must exert to get the block moving. \[ \_\_\_\_\_\_\_\_\_ \text{N} \] (b) What is its acceleration (in m/s\(^2\)) once it starts to move, if that force is maintained? \[ \_\_\_\_\_\_\_\_\_ \text{m/s}^2 \] **Additional Materials:** - [Reading](#)
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