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3 years ago

What does AC stand for in physics

Physics

1 answer:

Zanzabum3 years ago

5 0

AC stands for Alternating Current, according to physics terminology

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Two clear but non-mixing liquids each of depth 15 cm are placed together in a glass container. The liquids have refractive indic

vladimir1956 [14]

Answer:

The apparent depth d = 19.8495 cm

Explanation:

The equation for apparent depth can be expressed as:

$d = \dfrac{d_1} {\mu_1}+\dfrac {d_2}{\mu_2}$

here;

$d_1 = d_2 = 15 \ cm$

$\mu_1$ = refractive index in the first liquid = 1.75

$\mu_2$ = refractive index in the second liqquid= 1.33

∴

$d = \dfrac{15}{1.75}+\dfrac{15}{1.33}$

$d = 15( \dfrac{1}{1.75}+\dfrac{1}{1.33})$

$d = 15( 0.5714 +0.7519)$

d = 15(1.3233 ) cm

d = 19.8495 cm

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3 years ago

A projectile is fired with a velocity of 320 ms at an angle of 30 degree to a horizontal.1 Find the time to reach the maximum he

dedylja [7]

(a) The time taken for the projectile to reach the maximum height is 32.65 s.

(b) The horizontal range of the projectile is 9,049.1 m.

The given parameters:

Initial velocity of the projectile, u = 320 m/s
Angle of projection, = 30 degrees

The time taken for the projectile to reach the maximum height is calculated as follows;

$v_f = u- gt\\\\0 = 320 - 9.8t\\\\9.8t = 320\\\\t = \frac{320}{9.8} \\\\t = 32.65 \ s$

The horizontal range of the projectile is calculated as follows;

$R = \frac{u^2 sin(2\theta)}{g} \\\\R = \frac{320^2 \times sin(2\times 30)}{9.8} \\\\R = 9,049.1 \ m$

Learn more about horizontal range here: brainly.com/question/12870645

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3 years ago

A hiking trail is 150 meters long. A mountain lion can run the entire trail in 30 seconds.

konstantin123 [22]

Answer:

5 meters per second

explanation

sana po makatulong

7 0

3 years ago

Metals are usually more dense than wood. Pick the statement below which accurately compares metals to wood. Metals have less mas

laila [671]

Answer:

Metals have more mass per unit of volume than wood.

Explanation:

Density is defined as the amount of matter contained in a unit of volume. A material that is denser than another will therefore have more mass per unit of volume.

The density of a body can affect buoyancy, bodies with low enough densities can float in fluids. For example wood can float in water while metals can't.

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3 years ago

Most ionic bonds form when electrons from____.

Margarita [4]

A bond with elements from B.

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3 years ago

Read 2 more answers