3 years ago

Explain why dogs pant during hot summer days using the concept of evaporation?

Physics

1 answer:

Goshia [24]3 years ago

7 0

Dogs pant because they can't sweet out their heat so they pant it out (and drink water) to cool themselves down.

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An "emergency blow" is a procedure used by military submarines to quickly rise to the surface in case of trouble. It involves us

sleet_krkn [62]

Answer:

Check the explanation

Explanation:

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7 0

4 years ago

A 30 kg mass and a 20 kg mass are joined by a light rigid rod and this system is free to rotate in the plane of the page about a

stepan [7]

55 J

Explanation:

Kinetic energy is given as: 0.5MV^2 where M is the mass and V is the speed of rotation. Since the masses are point masses, we calculate the point mass for each mass.

M1 = 30*0.2^2 = 1.2kgm^2

M2 = 20*0.4^2 = 3.2kgm^2

V = 5 rad/s

Calculating using the formula above, we obtain :

0.5(1.2+3.2)5^2 =0.5*4.4*25 = 55 J

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3 years ago

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A trumpet player is tuning his instrument by playing an A note simultaneously with the first-chair trumpeter, who has perfect pi

KIM [24]

To develop this problem, it is necessary to apply the concepts related to Beat

The Beat is an acoustic phenomenon that is generated by two sine waves interfering with slightly different frequencies. The beat frequency is equal to the difference in the frequencies of the two original waves:

$f_{bat} = |(f_1 \pm f_B)|$