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Neko [114]
3 years ago
11

What would be the best tool to measure the amount of matter in an object?

Physics
1 answer:
Sophie [7]3 years ago
6 0
A mass balance is used to measure the mass in an object.
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What is the frequency of a radio wave with an energy of 3.686 × 10−24 j/photon?answer in units of hz?
Makovka662 [10]

To solve this problem, we have to use the formula:

E = h f

where E is total energy, h is Plancks constant 6.626x10^-34 J s, f is frequency

 

f = E / h

f = 3.686 × 10−24 J / (6.626x10^-34 J s)

<span>f = 5.56 x 10^9 Hz</span>

4 0
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The gravitational potential energy

gpe = mgh

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2 years ago
Why are male genitals outside the body?
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astra-53 [7]

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6 0
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Can work done=mass*acceleration*displacement(work=m*a*s)
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