3 years ago

Sarah walks WEST a distance of 5 meters then turns NORTH and walks 8

Physics

1 answer:

Leokris [45]3 years ago

3 0

Answer:

she is 3 meters in north

Explanation:

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A star that is moving toward an observer has its visible light shifted toward which end of the spectrum? A. blue B. red C. yello

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A spherical shell of radius 9.0 cm carries a uniform surface charge density σ= 9.0 nC/m2. The electric field at r= 9.1 cm is app

maria [59]

Answer:

995.12 N/C

Explanation:

R = 9 cm = 0.09 m

σ = 9 nC/m^2 = 9 x 10^-9 C/m^2

r = 9.1 cm = 0.091 m

q = σ x 4π R² = 9 x 10^-9 x 4 x 3.14 x 0.09 x 0.09 = 9.156 x 10^-10 C

E = kq / r^2

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3 years ago

Help !!

Vaselesa [24]

The answer is ; 6cm

Hope this helps!
Please give Brainliest!

This is because of the diagram below:

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3 years ago

The block slides on a horizontal frictionless surface. The block has a mass of 1.0kg and is pushed 5.0N at 45°. What is the magn

Firlakuza [10]

Answer:

$3.5\:\mathrm{m/s^2}$

Explanation:

Newton's 2nd law is given as $\Sigma F = ma$ .

To find the acceleration in the horizontal direction, you need the horizontal component of the force being applied.

Using trigonometry to find the horizontal component of the force:

$\cos 45^{\circ}=\frac{x}{5},\\\frac{\sqrt{2}}{{2}}=\frac{x}{5},\\x=\frac{5\sqrt{2}}{2}$

Use this horizontal component of the force to solve for for the acceleration of the object:

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2 years ago

In the visible spectrum, red light has the lowest frequency and violet light has the highest. List the following colors in order

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The correct answer is:
<span>B) orange, yellow, green, blue

the energy of the photons of light is directly proportional to the frequency of the light. This means that the lower the frequency, the lower the energy, and the higher the frequency, the greater the energy.

Therefore, the order in increasing energy is exactly the same as the order in increasing frequency, which is:
</span><span>
orange, yellow, green, blue </span>

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3 years ago

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