3 years ago

In thermodynamics, work is typically done by

Physics

1 answer:

kondor19780726 [428]3 years ago

3 0

The answer is gases

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A wave has a frequency of 35 Hz and a wavelength of 15 meters,<br> what is the speed of the wave?

Mila [183]

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f lamda = c

Explanation:

525 m/s is the speed

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3 years ago

A packet is dropped from a stationary helicopter, hovering at a height 'h' from the ground level, reaches the ground in 12s. Cal

Ksju [112]

Use kinematic equations to solve:

1) yf = yo + vo*t + 1/2at²

yf = final height
yo = initial height
vo = initial velocity
a = acceleration
t = time

yf - yo = vo*t + 1/2at²

yf - yo = h

vo = 0

Thus,

h = 1/2at²

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Calculate the acceleration using the formula acceleration = (final velocity - initial velocity) / time.

PtichkaEL [24]

Answer:

10 km/hr/s

Explanation:

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$a=\frac{v-u}{t}$