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monitta
3 years ago
11

Suppose an astrophotographer hands you a picture with star trails taken looking toward the north celestial pole. If the star tra

ils are 1/6 of a complete circle, about how many hours was the picture exposed? Hint: How many hours would it take the stars to make a full circle? Report your answer to the nearest whole number
Physics
1 answer:
Reil [10]3 years ago
4 0

Answer:

Our answer will be 4 hours.

Explanation:

It takes 24 hours to complete a circle(360° rotation)

Hence to complete 1/6th of complete circle it will take 24/6= 4 hours

Exact in integers= 4 hrs. Hence our answer will be 4 hours.

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Explanation:

7 0
3 years ago
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Is carbon a metal, nonmetal, or semi-metal
Vlada [557]

Answer: Non metal.

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A sphere of metal has a mass of 1431 g and a diameter of 5.80 cm. What is the density of metal in g/cm3
Dmitriy789 [7]

Answer:

see below

Explanation:

You will need t find the volume of the sphere

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4 0
2 years ago
David wants to experiment with the device, so he connects an ammeter into the circuit and measures 11.5 AA when the device is co
Mandarinka [93]

Answer:

2.42hours

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t = 8695.65seconds

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4 0
3 years ago
Anorexia nervosa is generally a problem found in young girls.<br><br> True<br> False
garik1379 [7]

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true

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