3 years ago

A thermometer is placed directly sunlight will it read the temperature of the air or of the sun or of something else??

1 answer:

7 0

It will read the temperature of the atmosphere.It is unable to read the temperature of the sun because some of the heat energy from the sun is absorbed by the layer of air molecules on Earth.

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PLS HELP ASAP I NEED THIS BY TONIGHT

Arturiano [62]

Answer:

done

Explanation:

8 0

2 years ago

Explain why sound is more clear at night than the day

meriva

because of god we can hear better at night.

5 0

2 years ago

A car with a mass of 1500 kg accelerates when the traffic light turns green. If the net force on the car is 3750 newtons, what i

timurjin [86]

Answer:

2.5 ms⁻²

Explanation:

By Newton's 2nd law,

The rate of change of momentum is directly proportional to the unbalance force applied on the object,

By that you can get the equation,

F = ma ⇒ a = F/m

where terms are in usual meaning

a = 3750/1500 = 2.5 ms⁻²

8 0

2 years ago

A car moves at the speed of 30km/h for 15 mins and then at the speed of 60km/h for the next 15 mins . how much dstance is covere

blagie [28]

Distance = speed x time. The total speed is 30 + 60 = 90km/h and the total time taken is 15 + 15 = 30 minutes. Therefore, you do 90 x 30 = 2700km

Answer = 2700km

6 0

2 years ago

Suppose a sound wave and a light wave have the same frequency.

dedylja [7]

Answer:

The light wave has a longer wavelength and has the greater speed.

Explanation:

light has a far more greater speed than sound. The speed of sound in air is about 343m/s while that of light is around $3 *10^{8}m/s$

wavelength (λ) = $\frac{V}{f}$

since the frequencies of sound and light are same from the question, the wavelength would depend on the magnitude of their velocities. Light with a higher speed would have a longer wavelength.

5 0

3 years ago

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