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Ulleksa [173]
2 years ago
11

25. a small container of water is placed on a turntable inside a microwave oven, at a radius of 12.0 cm from the center. the tur

ntable rotates steadily, turning one revolution in each 7.25 s. what angle does the water surface make with the horizontal?
Physics
1 answer:
Oksanka [162]2 years ago
4 0

The angle that the water surface make with the horizontal is 0.527°.

<h3>How to calculate the angles?</h3>

The water vapor moves at speed. Therefore,

v = 2πr/T = (2 × π × 0.120)/7.25

= 0.104m/s

Also, the top layer of water deals a downward force if gravity which will be:

= mv²/r = 0.104/0.12 = 0.0901

There, the angle will be:

= tan(0.0901/9.8)

= 0.527°

In this case, the angle that the water surface make with the horizontal is 0.527°.

Learn more about angles on:

brainly.com/question/25716982

#SPJ4

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1) KE=1/2*m*v^2
1/2*45*40^2
KE=36,000J

2) PE=mgh
45*9.81*30
PE=13243.5J
4 0
3 years ago
A class of students performed the heat transfer experiment shown in the picture. In the experiment, three plastic dishes were pa
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6 0
3 years ago
Are stairs a type of inclined plane?
-BARSIC- [3]

Answer:

Inclined planes are simple machines used to make work easier. Ramps, ladders, and staircases are all inclined planes.

Explanation:

3 0
2 years ago
Read 2 more answers
Lien uses a spring scale to pull a block toward the right across the lab table. The scale reads 8 N. Which force should Lien con
Alja [10]

Answer

The force on the left across the lab table.

Explanation

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So, if the block is pulled on the right by a force of 8 N there is another equal force applying on the left.


5 0
3 years ago
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A car traveling 91 km/h is 280 m behind a truck traveling 76 km/h.
Olegator [25]

Answer:

speed of car = 95 km/h

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time = 19.8 s

so it will take 19.8 s to cross the truck

Explanation:

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