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lutik1710 [3]
3 years ago
11

Help Plzzzzzzz I need help ASAP!!!!!!!​

Physics
1 answer:
romanna [79]3 years ago
8 0

Answer: A spanner with a long handle

Explanation: The use of a spanner for opening the nut of a simple machine will employ the principle of moment.

The force apply to the nut is considered as load while the force applied to the spanner is considered to be effort.

Before the nut can be opened, the effort must overcome the load.

Since moment is the product of a force and the perpendicular distance, the spanner with a long handle will produce a higher moment.

Therefore, a spanner with a long handle will be preferred.

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The variation in the pressure of helium gas, measured from its equilibrium value, is given by ΔP = 2.9 × 10−5 cos (6.20x − 3 000
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Answer:

The wavelength of this wave is 1.01 meters.

Explanation:

The variation in the pressure of helium gas, measured from its equilibrium value, is given by :

\Delta P=2.9\times 10^{-5}\ cos(6.2x-3000t)..............(1)

The general equation is given by :

\Delat P=P_o\ cos(kx-\omega t)...........(2)

On comparing equation (1) and (2) :

k=6.2

Since, k=\dfrac{2\pi}{\lambda}

\dfrac{2\pi}{\lambda}=6.2

\lambda=1.01\ m

So, the wavelength of this wave is 1.01 meters. Hence, this is the required solution.

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3 years ago
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How would you best define moving charges
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5 0
3 years ago
If a pitcher throws a baseball 10 m in 30 seconds - what would be the average speed?
allsm [11]

Answer:

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Explanation:

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