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Tanya [424]
3 years ago
9

Which quantity is measured in newton seconds (Ns)?

Physics
1 answer:
pshichka [43]3 years ago
7 0

Answer:

Impulse

Explanation:

Impulse is force times time

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ou see an image of yourself in a mirror because light waves are A) diffracted. B) reflected back at you. C) refracted through ai
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The answer would be B) reflected back at you
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A woman climbs up a ladder in 1.37 s at 2.20 m/s. How tall is the ladder?
ArbitrLikvidat [17]

Answer:

The ladder is 3.014 m tall.

Explanation:

To solve this problem, we must use the following formula:

v = x/t

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If we plug in the values we are given for the problem, we get:

v = x/t

2.20 = x/1.37

To solve this equation for x (the height of the ladder), we must multiply both sides by 1.37. If we do this, we get:

x = (2.20 * 1.37)

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1. What would cause a wave to travel at a different speed?
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3 0
3 years ago
A solenoid with 500 turns, 0.10 m long, carrying a current of 4.0 A and with a radius of 10-2 m will have what strength magnetic
lakkis [162]

Answer:

Therefore,

Strength magnetic field at its center, B

B = 2.51\times 10^{-2}\ T

Explanation:

Given:

Turn = N = 500

length of solenoid = l = 0.10 m

Current, I = 4.0 A

Radius, r = 0.01 m

To Find:

Strength magnetic field at its center, B = ?

Solution:

If N is the number of turns in the length, the total current through the rectangle is NI. Therefore, Ampere’s law applied to this path gives

\int\ {B} \, ds = Bl=\mu_{0}NI

Where,

B = Strength of magnetic field

l =  Length of solenoid

N = Number of turns

I = Current

\mu_{0}=Permeability\ in\ free\ space = 4\pi\times 10^{-7}\ Tm/A

Therefore,

B =\dfrac{\mu_{0}NI}{l}

Substituting the values we get

B =\dfrac{4\times 3.14\times 10^{-7}\times 500\times 4}{0.10}=2.51\times 10^{-2}\ T

Therefore,

Strength magnetic field at its center, B

B = 2.51\times 10^{-2}\ T

4 0
4 years ago
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