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4 years ago

HELP ASAPPPP PLZZZZZZ I WILL GIVE YOU 50 POINTS

Physics

2 answers:

Schach [20]4 years ago

3 0

Answer:

the answer is c i know it

Explanation:

its c

xz_007 [3.2K]4 years ago

3 0

Answer:

Kinetic Energy and speed mass

Explanation:

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15 points!!!!

Savatey [412]

Answer: True I'm not very good at Chemistry, I'm sorry if it's wrong, I'm sure it is true though. I hope it helped!!

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3 years ago

(a) When opening a door, you push on it perpendicularly with a force of 55.0 N at a distance of 0.850m from the hinges. What tor

nadezda [96]

Explanation:

Below is an attachment containing the solution.

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3 years ago

Can sound travel through a tree

Marizza181 [45]

Answer:

not sure but i think yes

Explanation:

sound waves

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3 years ago

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A charge of −8.3 μC is traveling at a speed of 7.4 × 106 m/s in a region of space where there is a magnetic field. The angle bet

solniwko [45]

Answer:

The magnitude of the magnetic field is $1.1\times 10^{-4}\, T$

Explanation:

Given charge q = −8.3 μC

speed of charge $v=7.4\times 10^{6}\, \frac{m}{s}$

Angle between magnetic field and the velocity of charge $\Theta =52^{\circ}$

Strength of magnetic force on charge $F=5.4\times 10^{6}\, N$

Let magnitude of magnetic field be B

Since the magnetic force on a free moving charge in the magnetic field given by

$F=\left |q\vec{v}\times \vec{B}\right |=\left | qvBsin\Theta\right |$

=> $5.4\times 10^{-3}=\left | -8.3\times 10^{-6}\times 7.4\times 10^{6}\times sin(52^{\circ})\times B \right |$

=> $B=1.1\times 10^{-4}\, T$

Thus the magnitude of the magnetic field is $1.1\times 10^{-4}\, T$

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3 years ago

Is there an eclipse happening soon in England

lyudmila [28]

A solar eclipse will be visible over a wide area of the north polar region
on Friday, March 20.

England is not in the path of totality, but it's close enough so that a large
part of the sun will be covered, and it will be a spectacular sight.

For Londoners, the eclipse begins Friday morning at 8:25 AM,when the
moon just begins to eat away at the sun's edge. It advances slowly, as more
and more of the sun disappears, and reaches maximum at 9:31 AM. Then
the obscured part of the sun begins to shrink, and the complete disk is
restored by the end of the eclipse at 10:41AM, after a period of 2 hours
16 minutes during which part of the sun appears to be missing.

The catch in observing the eclipse is:

YOU MUST NOT LOOK AT THE SUN.

Staring at the sun for a period of time can cause permanent damage to
your vision, even though you don't feel it while it's happening.

This is not a useful place to try and give you complete instructions or
suggestions for observing the sun over a period of hours. Please look
in your local newspaper, or search online for phrases like "safe eclipse
viewing".

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3 years ago

Read 2 more answers