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Sergio039 [100]
3 years ago
5

Unlike images produced by a convex spherical mirror, images produced by concave spherical mirrors

Physics
2 answers:
daser333 [38]3 years ago
7 0
I think it's B, I know it's not C
Olenka [21]3 years ago
6 0
<h3><u>Answer;</u></h3>

B. can be real or virtual depending on the object's placement.

<h3><u>Explanation;</u></h3>
  • Unlike images produced by a convex spherical mirror, images produced by concave spherical mirrors <em><u>can be real or virtual depending on the object's placement.</u></em>
  • <em><u>Concave mirror and convex mirror are two types of spherical mirrors, where a convex mirror has a reflecting surface that bulges outside while a concave mirror has a reflecting surface that bulges inwards.</u></em>
  • <em><u>Convex mirror forms images that are virtual and diminished, while a concave mirror forms an image that may either be real or virtual, diminished or enlarged depending on the position of the object from the mirror.</u></em>
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Explanation:

We have,

Ajoba and Prav drive to work. Ajoba drives 45 miles in 2.5 hours. Prav drives 74 km in 1 hour 15 min.

1 mile = 1.6 km

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74 miles = 119.0 km

1 hour 15 min means 1.25 hours

Average speed of Ajoba is :

v_1=\dfrac{72.42 }{2.5}=28.96\ km/h

Average speed of Prav,

v_2=\dfrac{119}{1.25}=95.2\ km/h

Difference in average speed of Ajoba and Prav is :

v=v_2-v_1\\\\v=v_2-v_1\\\\v=95.2-28.96\\\\v=66.24\ km/h

So, the difference in average speed of Ajoba and Prav is 66.24 km/h.

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3 years ago
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aleksley [76]

Explanation:

Let's say right is positive and left is negative.

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From the question,

Applying

Q = cm(t₂-t₁).................. Equation 1

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Substitute these values into equation 1

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Hence the thermal energy lost by the aluminium is 22425 J

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Answer:

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