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Anna007 [38]
3 years ago
5

What is the momentum if the mass is 1.5 kg and the velocity is 4 m/s?

Physics
1 answer:
Semenov [28]3 years ago
3 0

Answer:

p = mv = 1.5(4) = 6 kg•m/s

Explanation:

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The train with a mass of 49 kg × 10⁴ kg departs from the place and in 25 seconds reaches a speed of 5m / s, determine the attrac
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3 years ago
A nonconducting ring of radius 10.0 cm is uniformly charged with a total positive charge 10.0μC. The ring rotates at a constant
maw [93]

The magnitude of the magnetic field on the axis of the ring 5 cm from its center is 143 pT.

The radius of the nonconducting ring is R = 10 cm.

The ring is uniformly charged q = 10 μC.

The angular speed of the ring, ω = 20 rad/s

The ring is x = 5 cm from the center of the ring.

Now,

R = 10 cm = 0.1 m

q = 10.0 μC = 10 × 10⁻⁶ C

x = 5 cm = 0.05 m

The magnetic field on the axis of a current loop is given as:

B = [ μ₀ IR² ] / [4π(x² + R²)^{3/2} ]

Now, I = q / [2π/ω]

So, the magnitude of the magnetic field which is directed away from the center is:

B =  [ μ₀ ωqR² ] / [4π(x² + R²)^{3/2} ]

B = [ μ₀ (200) (10 × 10⁻⁶) (0.1)² ] / [4π((0.05)² + (0.1)²)^{3/2} ]

B = 1.43 × 10⁻¹⁰ T

B = 143 pT

Learn more about the magnetic field here:

brainly.com/question/14411049

#SPJ4

3 0
2 years ago
A raindrop falls to the ground from a rain cloud at an altitude of 3000 meters.
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Assuming the raindrop was stationary relative to the vertical distance to the ground at the start:

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t is 61.2 seconds

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What needed to be present in marine mud to form fossils fuels?
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It would be oraganic matter I think.
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Read 2 more answers
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