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3 years ago

At an equilibrium position of a pendulum, the is at a maximum.

2 answers:

6 0

The equilibrium position is that at which the pendulum is at its lowest point; it is called this because, absent any other forces acting upon it, this is the point at which the pendulum would be at a stable, motionless equilibrium. It is also the point at which the pendulum, having been released from above, has translated its starting gravitational potential energy fully into kinetic energy. As such, this means that at this point the pendulum is at its maximum D) velocity.

noname [10]3 years ago

5 0

The equilibrium position is the point below the pivot, at a neutral position. amplitude of the pendulum’s swing is the displacement from the equilibrium. each swing is referred to as maximum displacement or maximum amplitude.

So your answer is D. Velocity

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The energy of photon in kJ/mol is 329kJ/mol.

Wavelength of radiation is 370nm. The frequency of given wavelength is

ν = c / λ

ν = 3×10^8 / 370×10^-9

ν = 8.11 × 10^14 s^-1

Now the energy of photon is:

E = hν

E = 6.63×10^-34 J.s/photon × 8.11×10^14s^-1

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E = 5.41× 10^-19 × 6.022×10^23

E = 3.29 ×10^ 5 J/mol

So, the energy of mole of photon is equal to 329 kJ/mol.

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brainly.com/question/18650102

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