### Problem 1/1**Statement:**The sports car has a mass of 2.5 Mg and accelerates at 6 m/s², starting from rest. **(Figure 1)****Figure 1 Description:**The figure depicts an orange sports car with a person driving it. The car is accelerating to the right, which is indicated by a large arrow labeled \( \mathbf{F_D} \) pointing towards the left. This scenario represents the force of drag acting against the motion of the car. The mass of the sports car is provided as 2.5 Mg (megagrams), which equals 2500 kg (since 1 Mg = 1000 kg). The acceleration of the car is given as \( 6 \, \text{m/s}^2 \). The car is starting from rest, implying an initial velocity of \( 0 \, \text{m/s} \).**Note:** The temperature displayed at the bottom of the image is 86°F, with a clear weather condition icon. ### Part A**Problem Statement:**If the drag resistance on the car due to the wind is \( F_D = (10v) \, \text{N} \), where \( v \) is the velocity in \( \text{m/s} \), determine the power supplied to the engine when \( t = 5 \, \text{s} \). The engine has a running efficiency of \( \epsilon = 0.63 \).**Instructions:**Express your answer to three significant figures and include the appropriate units.**Input Field:*** P = [Value] [Units]**Buttons and Options:**- Submit- Request Answer**Additional Features:**- Provide Feedback**Navigation:**Next **Note:**The text in this image appears to be part of an online quiz or homework assignment on a learning platform. The page includes an area for students to submit their answers, with specific instructions on how to format their response. There are no graphs or diagrams included in this specific part of the image.**Image Context:**The image shows a screenshot of a computer screen displaying a homework or quiz problem related to physics or engineering, focusing on the concepts of drag resistance, power, and engine efficiency. The background includes typical user interface elements of an online education platform, such as submission buttons and a navigation link to the next question.

Answered: Image /qna-images/answer/fcd2850a-9a42-4256-9abc-eaadeb2f018c.jpg

If the drag resistance on the car due to the wind is FD = (10v) N, where is the velocity in m/s, determine the power supplied to the engine when t = 5 s. The engine has a running efficiency of = 0.63. Express your answer to three significant figures and include the appropriate units. P = I μA Value Units ?

If the drag resistance on the car due to the wind is FD = (10v) N, where is the velocity in m/s, determine the power supplied to the engine when t = 5 s. The engine has a running efficiency of = 0.63. Express your answer to three significant figures and include the appropriate units. P = I μA Value Units ?

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

Fluid Dynamics

The study of the flow of gases and liquids, usually in and around solid surfaces, is known as fluid dynamics in physics and engineering. Fluid dynamics, for example, can be used to evaluate the movement of air through an airplane wing or the surface of a vehicle. It can also be used in ship design to increase the speed at which ships pass through water.

Question

### Problem 1/1

**Statement:**
The sports car has a mass of 2.5 Mg and accelerates at 6 m/s², starting from rest.

**(Figure 1)**

**Figure 1 Description:**
The figure depicts an orange sports car with a person driving it. The car is accelerating to the right, which is indicated by a large arrow labeled \( \mathbf{F_D} \) pointing towards the left. This scenario represents the force of drag acting against the motion of the car.

The mass of the sports car is provided as 2.5 Mg (megagrams), which equals 2500 kg (since 1 Mg = 1000 kg). The acceleration of the car is given as \( 6 \, \text{m/s}^2 \). The car is starting from rest, implying an initial velocity of \( 0 \, \text{m/s} \).

**Note:** The temperature displayed at the bottom of the image is 86°F, with a clear weather condition icon.

### Part A

**Problem Statement:**
If the drag resistance on the car due to the wind is \( F_D = (10v) \, \text{N} \), where \( v \) is the velocity in \( \text{m/s} \), determine the power supplied to the engine when \( t = 5 \, \text{s} \). The engine has a running efficiency of \( \epsilon = 0.63 \).

**Instructions:**
Express your answer to three significant figures and include the appropriate units.

**Input Field:**
* P = [Value] [Units]

**Buttons and Options:**
- Submit
- Request Answer

**Additional Features:**
- Provide Feedback

**Navigation:**
Next

**Note:**
The text in this image appears to be part of an online quiz or homework assignment on a learning platform. The page includes an area for students to submit their answers, with specific instructions on how to format their response. There are no graphs or diagrams included in this specific part of the image.

**Image Context:**
The image shows a screenshot of a computer screen displaying a homework or quiz problem related to physics or engineering, focusing on the concepts of drag resistance, power, and engine efficiency. The background includes typical user interface elements of an online education platform, such as submission buttons and a navigation link to the next question.

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