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Daniel [21]
3 years ago
15

18. If the distance from a converging lens to the object is less than the focal length of the lens, the image will be _______ th

e object. A. virtual, upright, and smaller than B. real, inverted, and larger than C. virtual, upright, and larger than D. real, inverted, and smaller than
Physics
1 answer:
skad [1K]3 years ago
5 0
Here's a quick way to find out. Pick up your glasses, bifocals work best, and find the focal length with a flashlight against a book. If I remember right, the object should be magnified and upside down. So, A.
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Zinaida [17]

Answer:0.0909 kJ/K

Explanation:

Given

Temperature of hot Reservoir T_h=1320 K

Temperature of cold Reservoir T_l=600 K

Heat of 100 kJ is transferred form hot reservoir to cold reservoir

Hot Reservoir is Rejecting heat therefore Q_1=-100 kJ

Heat is added to Reservoir therefore Q_2=100 kJ

Entropy change for system

\Delta s=\frac{Q_1}{T_1}+\frac{Q_2}{T_2}

\Delta s=\frac{-100}{1320}+\frac{100}{600}

\Delta s=-0.0757+0.1666=0.0909 kJ/K

As entropy change is Positive therefore entropy Principle is satisfied

         

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3 years ago
What is the relationship of an object's acceleration, its mass and the force applied to it?
Anon25 [30]

Answer:

F = ma

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What does the area between the line and the x-axis represent on a velocity vs. time graph?
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It has been learned in this lesson that the area bounded by the line and the axes of a velocity-time graph is equal to the displacement of an object during that particular time period. ... Once calculated, this area represents the displacement of the object.

Explanation:

7 0
3 years ago
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If a ball rolls off a 4m high table at 7m/s, how long will it take until it hits the floor
Semenov [28]
It will take at least 0.8
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A charge of 8.4 × 10–4 C moves at an angle of 35° to a magnetic field that has a field strength of 6.7 × 10–3 T.
sineoko [7]

Answer:10842.33m/s

Explanation:

F=qvBsine

V=f/(qBsine)

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3 years ago
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