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MAVERICK [17]
3 years ago
12

Most of earth's atmosphere is composed of

Physics
1 answer:
zmey [24]3 years ago
3 0
The answer is nitrogen.
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You push against a steamer trunk with a force of 800 n at an angle alpha with the horizontal . the trunk is on a flat floor and
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The formula for this problem that we will be using is:
F * cos α = m * g * μs where:F = 800m = 87g = 9.8
cos α = m*g*μs/F= 87*9.8*0.55/800= 0.59 So solving the alpha, find the arccos above.
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An isolated parallel-plate capacitor has a surface charge density. If the space between the plates is filled with a material of
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Answer:

Explanation:

2\sqrt{34}

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At take off, a plane flies 100 km north before turning to fly 200 km east. How far is its destination from where the plane took
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What can be found in every skeletal muscle?
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7 0
2 years ago
Read 2 more answers
A charged cloud system produces an electric field in the air near earth's surface. a particle of charge -2.0 × 10-9 c is acted o
defon

Part a)

Magnitude of electric field is given by force per unit charge

E = \frac{F}{q}

E = \frac{4.3 * 10^{-6}}{2 * 10^{-9}}

E = 2150 N/C

Part b)

Electrostatic force on the proton is given as

F = qE

F = 1.6 * 10^{-19} * 2150

F = 3.44 * 10^{-16} N

PART C)

Gravitational force is given by

F_g = mg

F_g = 1.6 * 10^{-27}*9.8

F_g = 1.57 * 10^{-26} N

PART d)

Ratio of electric force to weight

\frac{F_e}{F_g} = \frac{3.44 * 10^{-16}}{1.57*10^{-26}}

\frac{F_e}{F_g} = 2.2 * 10^{10}

7 0
3 years ago
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