3 years ago

The thermal energy in a hot iron flows into a shirt. What can possibly be said about this situation?

1 answer:

5 0

The iron is warmer than the shirt. Energy always flows to create equilibrium. And if the energy went from the iron to the shirt, we can conclude the shirt initially had less heat than the iron.

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Answer:

we have formula of frequency :

frequency(f)= speed of sound(c)/wavelength(λ)

for wavelength we swipe it with frequency as follows

λ=c/f

λ=300,000,000/101,700,000

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An airplane accelerates from rest down a runway at 3.20 m/s2 for 32.8 seconds until it lifts off the ground. Determine the dista

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Answer:

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Explanation:

using thr equation of motion;

$s=ut+\frac{1}{2}at^{2}$

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s=1721.344m

v=u+at

v=0 +3.2*32.8

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