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IceJOKER [234]
3 years ago
9

Ground-based radio telescopes can collect data from distant objects in space

Physics
1 answer:
Butoxors [25]3 years ago
6 0

Answer:

A.  during the day or night and in any weather conditions.

Explanation:

Ground-based radio telescopes can be used to collect data from distant objects in space during the day or night in any weather condition.

They do not depend or are they affected by weather and they pass well through them.

  • Telescopes are devices used to obtain information about distant bodies usually astronomical in nature.
  • Optical telescopes use the visible range of light and they are overwhelmed by the sun during the day.
  • Bad weather conditions can also diminish the reception of light.
  • They work best at night.
  • Radio telescopes uses electromagnetic radiations and can work at any time and during any weather.
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t is the estimated distance traveled through the air by a marshmallow that is launched from a 15- cm long launcher when it is pl
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The temperature of the cooling water as it leaves the hot engine of an automobile is 240 °F. After it passes through the radiato
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Answer:571.09 kJ

Explanation:

Given

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After Passing through the radiator its temperature decreases to 175^{\circ}F\approx 79.44^{\circ}F

specific heat of water=4.184 J/g^{\circ}C

Volume of water = 1 gallon\approx 3.78 L

density of water \rho =1 gm/mL

Thus mass of water=\rho \times V=3.78\times 1=3.78 kg

Heat transferred to the surrounding is equal to heat absorbed by cooling water

Q=m\cdot c\cdot \Delta T

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Q=571.09 kJ

4 0
3 years ago
a wave is described by where x is in meters, y is in centimeters and t is in seconds. The angular frequency is
Sergeeva-Olga [200]

Complete Question

A wave is described by y(x,t) = 0.1 sin(3x + 10t), where x is in meters, y is in centimetres and t is in seconds. The angular wave  frequency is

Answer:

The  value is w =  10 \ rad /s

Explanation:

From the question we are told that  

    The equation describing the wave is y(x,t) = 0.1 sin(3x + 10t)

Generally the sinusoidal equation representing the motion of a wave is mathematically represented as

         y(x,t) =  Asin(kx + wt )

Where  w  is the  angular frequency

Now comparing this equation  with that given we see that

       w =  10 \ rad /s

 

               

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