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<title>The speedometer scale is 15 cm long and measures the vehicle speed from zero to 150 \frac{km}{h}. Find the speed of the speedometer indicator if the car is moving at an acceleration of 2 \frac{m}{s^2}.</title>
$1.2.19.$ The speedometer scale is $15$ cm long and measures the vehicle speed from zero to $150$$\frac{km}{h}$. Find the speed of the speedometer indicator if the car is moving at an acceleration of $2$$\frac{m}{s^2}$.
</p>
<center>
<figure>
<img src="1.2.19.png"
loading="lazy" width="230" />
<figcaption>
For problem $1.2.19$
</figcaption>
</figure>
</center>
<p>
</p>
<h3>Solution</h3>
<p>
Equation for equal accelerated motion
$$150 \text{ km/h}=0 \text{ km/h}+at_n$$
Acceleration time from zero to full speed
$$t_n=20.83 \text{ s}$$
During this time, the speedometer arrow will travel the distance
<small>All rights belong to the authors. <br> Commercial use of materials - with the written permission of the authors. <br> alex@savchenkosolutions.com <br></small>
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<meta name="description" content="The speedometer scale is 15 cm long and measures the vehicle speed from zero to 150 \frac{km}{h}. Find the speed of the speedometer indicator if the car is moving at an acceleration of 2 \frac{m}{s^2}.">
<meta name="description" content="The speedometer scale is 15 cm long and measures the vehicle speed from zero to 150 \frac{km}{h}. Find the speed of the speedometer indicator if the car is moving at an acceleration of 2 \frac{m}{s^2}.">
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<meta property="og:description" content="The speedometer scale is 15 cm long and measures the vehicle speed from zero to 150 \frac{km}{h}. Find the speed of the speedometer indicator if the car is moving at an acceleration of 2 \frac{m}{s^2}.">
<meta property="og:description" content="The speedometer scale is 15 cm long and measures the vehicle speed from zero to 150 \frac{km}{h}. Find the speed of the speedometer indicator if the car is moving at an acceleration of 2 \frac{m}{s^2}.">
<title>The speedometer scale is 15 cm long and measures the vehicle speed from zero to 150 \frac{km}{h}. Find the speed of the speedometer indicator if the car is moving at an acceleration of 2 \frac{m}{s^2}.</title>
<title>The speedometer scale is 15 cm long and measures the vehicle speed from zero to 150 \frac{km}{h}. Find the speed of the speedometer indicator if the car is moving at an acceleration of 2 \frac{m}{s^2}.</title>
$1.2.19.$ The speedometer scale is $15$ cm long and measures the vehicle speed from zero to $150$$\frac{km}{h}$. Find the speed of the speedometer indicator if the car is moving at an acceleration of $2$$\frac{m}{s^2}$.
$1.2.19.$ The speedometer scale is $15$ cm long and measures the vehicle speed from zero to $150$$\frac{km}{h}$. Find the speed of the speedometer indicator if the car is moving at an acceleration of $2$$\frac{m}{s^2}$.
</p>
</p>
<center>
<center>
<figure>
<figure>
<img src="1.2.19.png"
<img src="1.2.19.png"
loading="lazy" width="230" />
loading="lazy" width="230" />
<figcaption>
<figcaption>
For problem $1.2.19$
For problem $1.2.19$
</figcaption>
</figcaption>
</figure>
</figure>
</center>
</center>
<p>
<p>
</p>
</p>
<h3>Solution</h3>
<h3>Solution</h3>
<p>
<p>
Equation for equal accelerated motion
Equation for equal accelerated motion
$$150 \text{ km/h}=0 \text{ km/h}+at_n$$
$$150 \text{ km/h}=0 \text{ km/h}+at_n$$
Acceleration time from zero to full speed
Acceleration time from zero to full speed
$$t_n=20.83 \text{ s}$$
$$t_n=20.83 \text{ s}$$
During this time, the speedometer arrow will travel the distance
During this time, the speedometer arrow will travel the distance
<small>All rights belong to the authors. <br> Commercial use of materials - with the written permission of the authors. <br> alex@savchenkosolutions.com <br></small>
<small>All rights belong to the authors. <br> Commercial use of materials - with the written permission of the authors. <br> alex@savchenkosolutions.com <br></small>
