2 years ago

What is the formula for wave velocity?

Physics

1 answer:

Elodia [21]2 years ago

7 0

Answer:

Speed = Wavelength x Frequency.

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A light bulb whose resistance is 240 ohms is connected to a 120 voltage source. What is the current through the bulb?

Sedaia [141]

Answer:

0.5A

Explanation:

Using $R = \frac{V}{I}$ ,

R is the resistance (in Ohms)

V is the voltage (in V)

I is the current (in A)

$240=\frac{120}{I}$

I = 0.5A

7 0

1 year ago

Emmit is lifting a box vertically which forces are necessary for calculating the total force

zavuch27 [327]

Answer:

FG and FP

Explanation:

Gravitational Force(FG) because the box is being pulled down and a resistance force pushing up because he is pushing(FP) up on the box.

I hope this helps!

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2 years ago

What’s the best conductor for electricity

rjkz [21]

So the best conductor for electricity is silver.
However because silver is so expensive we use copper which is the next best conductor

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3 years ago

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the physics concept corresponding to oomph is momentum. building on your above answers, figure out a formula for momentum (oomph

topjm [15]

Momentum = mass * velocity

I need parts A and B to explain the intuitions.

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2 years ago

An object has a mass of 25 kg. What is the force of gravity acting on the object?

aleksandrvk [35]

Answer:

Explanation:

Because u don't know the gravity so u take that force and just put it in the gravity spot

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2 years ago