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Inessa05 [86]
4 years ago
9

Points A (-9,2), B (2,-9), and C (-9,-9) are placed in three different quadrants of a Cartesian coordinate system. Convert each

set of Cartesian coordinates to polar coordinates. The angle should be reported as a positive angle, in degrees, from the positive x-axis. (0° < θ < 360°)
Physics
1 answer:
slavikrds [6]4 years ago
5 0

Answer:

answer

Explanation:

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Para que ángulo el alcance es igual a la altura máxima en un lanzamiento de proyectil ideal sobre un plano horizontal. Translati
Gemiola [76]

Answer:

<h2>76°</h2>

Explanation:

In projectile,

Maximum height = \frac{u^{2}sin^{2} \theta  }{2g} and range = \frac{u^{2}sin2\theta }{g}

u = velocity of the body

\theta = angle of launch

g = acceleration due to gravity

If the range equals the maximum height in an ideal projectile launch on a horizontal plane, this means;

\frac{u^{2}sin^{2} \theta  }{2g} = \frac{u^{2}sin2\theta  }{g}

since sin2\theta = 2sin\theta cos\theta

\frac{u^{2}sin^{2} \theta  }{2g} = \frac{u^{2}2sin\theta cos\theta }{g}\\\frac{sin\theta}{2} =2cos\theta \\sin\theta = 4cos\theta\\\frac{sin\theta}{cos\theta}  = 4\\tan\theta = 4\\\theta = tan^{-1} \\4\theta = 75.9^{0}

The angle at which the range equals the maximum height in an ideal projectile launch on a horizontal plane is approximately 76°

8 0
4 years ago
Hurricanes along the Gulf Coastal areas of Texas increase the rate of coastal erosion.
4vir4ik [10]

Answer:

its the last question

Explanation:

Thats because erosion takes away stuff

3 0
3 years ago
Disabling asthma attacks can lead to restrictive school activity of approximately
mamaluj [8]

Answer:

<h2>Yes.</h2>

Explanation:

If we want to "disable" astham attacks, that would imply too many restictions for those people who can suffer from these attacks. For example, in order to avoid these attacks, they couldn't do sport activities, because that would alter their respiratory system, which occasionate astham attacks.

Therefore, this statement is true.

7 0
3 years ago
Vectors and have scalar product -9.00 and their vector product has magnitude 7.00.
sladkih [1.3K]
<span>-(-(-)(-)(-10x))=-5 solve for x</span>
6 0
3 years ago
Make the following conversion.<br><br> 50.5 cm = _____ hm
Rina8888 [55]
50.5cm= 0.00505hm Hope this helps!
3 0
3 years ago
Read 2 more answers
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