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2 years ago

9) If a wave has a speed of 362 m/s and a period of 4.17 s, what is its wavelength?

Physics

2 answers:

kakasveta [241]2 years ago

5 0

Answer:

Option B (1.51 m)

Explanation:

U 2 can help me by marking as brainliest........

Aleksandr [31]2 years ago

3 0

Answer:

1509 m

Explanation:

w= s/f = 362/ (1/4.17) = 362 m/s * 4.17 s^(-1) = 1509.54 m

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3 years ago

A 20-turn coil of area 0.32 m2 is placed in a uniform magnetic field of 0.055 T so that the perpendicular to the plane of the co

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Explanation:

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2 years ago

Two +1 C charges are separated by 30000 m, what is the magnitude of the force?

Kipish [7]

Answer:

The magnitude of the force is 10 N

Explanation:

Coulomb's Law

The electrostatic force between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between the two objects.

Written as a formula:

$\displaystyle F=k\frac{q_1q_2}{d^2}$

Where:

$k=9\cdot 10^9\ N.m^2/c^2$

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d= The distance between the objects

We have two identical charges of q1=q2=1 c separated by d=30000 m, thus the magnitude of the force is:

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2 years ago

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Answer:

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Explanation:

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