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egoroff_w [7]
3 years ago
8

What is Br charge after it gains an electron?

Physics
1 answer:
sergeinik [125]3 years ago
4 0

Im not 100% sure but i think its bromine.

Hope this helps ^_^

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an ice skater applies a horizontal force to a 20.-kilogram block on frictionless, level ice, causing the block to accelerate uni
stiv31 [10]
The only vertical forces are weight and normal force, and they balance since the surface is horizontal. The horizontal forces are the applied force (uppercase F) in the direction the block slides and the frictional force (lowercase f) in the opposite direction.

Apply Newton's 2nd Law in the horizontal direction:
ΣF = ma
F - f = ma
where f = µmg

F - µmg = ma
F = m(a +µg)
F = (20 kg)(1.4 m/s² + 0.28(9.8 m/s²)

F = 83 N
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Most asteroids lie between the orbits of
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What is the wavelength of radar waves with the frequency of 6.0 x 10 ^10 Hz?
Serjik [45]

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A person climbs out of swimming pool and stands in the open air.Explain why evaporation of water from the surface of the persons
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The person feels cool at first because the swimming pool water is usually cool and he/she has that water on his body. But when it evaporates, the cool air directly touches his body and that's why he/she feels cold.

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8 0
3 years ago
A 2kg object is tied to the end of a cord and whirled in a horizontal circle of radius 2 m. If the body makes three complete rev
Travka [436]

Answer:

a) 37.70 m/s

b)710.6 m/s²

Explanation:

Given that ;

Mass of object = 2 kg

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v= 2πrf   where v is linear speed

v = 2×π×2×3 =12π = 37.70 m/s

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5 0
3 years ago
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