3 years ago

In an electromagnetic wave in free space, the electric and magnetic fields are.

Physics

1 answer:

Vlad [161]3 years ago

6 0

Answer:

PERPENDICULAR

Explanation:

<h3>HOPE IT HELPS </h3>

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Aleks04 [339]

Answer:

huh what do u want tho its nothing bad

Explanation:

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3 years ago

An ultracentrifuge accelerates from rest to 99300 rpm in 1.95 min. Randomized Variables f = 99300 rpm t = 1.95 min l = 9.4 cm

Levart [38]

Answer: i'm pretty sure its part B

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4 years ago

In searching the bottom of a pool at night, a watchman shines a narrow beam of light from his flashlight, 1.3 m above the water

kotykmax [81]

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4 years ago

Why are neutral objects attracted to charged objects?

kow [346]

Explanation:

When neutral objects are placed in the vicinity of charged objects,they get attracted.

The isolated neutral object has positive charge and negative charge spread throughout it completely.

When a charged particle is brought,the opposite charges in the neutral object occupy the positions near to the charged particle and the like charges occupy the positions far from the charged particle.

This creates a dipole with some dipole moment.

This dipole attracts to the field of the charged particle.

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4 years ago

A ball is thrown vertically upward with a speed of 1.86

Inessa05 [86]

Answer:

t = 1.09 s.

Explanation:

This is a one-dimensional kinematics question, so the equations of kinematics will be sufficient to solve the question.

$y-y_0 = v_0t + \frac{1}{2}at^2\\0 - 3.82 = 1.86t +\frac{1}{2}(-9.8)t^2\\-3.82 = 1.86t - \frac{1}{2}9.8t^2\\4.9t^2 - 1.86t - 3.82 = 0$

This quadratic equation can be solved using determinant.

$\Delta = b^2 - 4ac\\t_{1,2} = \frac{-b \pm \sqrt{\Delta} }{2a}\\t_1 = 1.09~s\\t_2 = -0.71~s$

Of course, we will choose the positive time.

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3 years ago