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Olegator [25]
4 years ago
7

If you swing a bucket of water fast enough in a vertical circle, at the highest point the water does not spill out. This happens

because an outward force balances the pull of gravity on the water.
True or False?
Physics
1 answer:
amm18124 years ago
3 0

Answer:

True

Explanation:

If we swing a bucket of water fast enough in a vertical circle the water does not spill out even at the top-most position of the bucket. This happens because the centrifugal force acting away from the center in a circular motion neutralizes or overcomes the gravitational force on the water particles.

<u>Centrifugal force is mathematically related as:</u>

F=m.r.\omega^2

where:

m = mass of the revolving body

r = radius of revolution

\omega= angular velocity in radians per second

This force F acts in radially outward direction.

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long, straight, vertical wire carries a current upward. Due east of this wire, in what direction does the magnetic field point?
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Answer:

The correct answer to the question is;

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Explanation:

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Therefore, since the direction of the current is upward and a force is acting with a direction towards the east of the wire then the direction of the magnetic field is northwards.

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8 0
3 years ago
What is the average velocity of atoms in 1.00 mol of neon (a monatomic gas) at 465 K? For m, use 0.0202 kg.
TiliK225 [7]

Answer: 757m/s

Explanation:

Given the following :

Mole of neon gas = 1.00 mol

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Mass = 0.0202kg

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0.5(mv^2) = 3/2 nRt

Where ;

M = mass, V = volume. R = gas constant(8.31 jK-1 mol-1, t = temperature in Kelvin, n = number of moles

Plugging our values

0.5(0.0202 × v^2) = 3/2 (1 × 8.31 × 465)

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4 years ago
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