A contestant in a winter games event pushes a 50.0 kg block of ice across a frozen lake as shown in Figure 4.29(a). The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. 25. 25 Figure 4.29 (a) Calculate the minimum force F he must exert to get the block moving. N (b) What is its acceleration once it starts to move, if that force is maintained? m/s?
A contestant in a winter games event pushes a 50.0 kg block of ice across a frozen lake as shown in Figure 4.29(a). The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. 25. 25 Figure 4.29 (a) Calculate the minimum force F he must exert to get the block moving. N (b) What is its acceleration once it starts to move, if that force is maintained? m/s?
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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![A contestant in a winter games event pushes a 50.0 kg block of ice across a frozen lake as shown in Figure 4.29(a). The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03.
**Figure 4.29 Explanation:**
- **Diagram (a):** Shows a person pushing a block of ice with a force \( F \) applied at a 28° angle above the horizontal.
- **Diagram (b):** Depicts the block in motion with the same 28° angle of applied force.
### Questions:
(a) Calculate the minimum force \( F \) he must exert to get the block moving.
\[
\boxed{\,}
\text{N}
\]
(b) What is its acceleration once it starts to move, if that force is maintained?
\[
\boxed{\,}
\text{m/s}^2
\]
**Additional Materials:**
(Section for further resources and materials not shown in the image.)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5dba822a-831b-4879-9ca9-3195c5cd25f4%2Ff8bc3301-2bcd-4656-ae84-59ee99a838ce%2Fo1g8dkt_processed.png&w=3840&q=75)
Transcribed Image Text:A contestant in a winter games event pushes a 50.0 kg block of ice across a frozen lake as shown in Figure 4.29(a). The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03.
**Figure 4.29 Explanation:**
- **Diagram (a):** Shows a person pushing a block of ice with a force \( F \) applied at a 28° angle above the horizontal.
- **Diagram (b):** Depicts the block in motion with the same 28° angle of applied force.
### Questions:
(a) Calculate the minimum force \( F \) he must exert to get the block moving.
\[
\boxed{\,}
\text{N}
\]
(b) What is its acceleration once it starts to move, if that force is maintained?
\[
\boxed{\,}
\text{m/s}^2
\]
**Additional Materials:**
(Section for further resources and materials not shown in the image.)
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