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Elodia [21]
3 years ago
12

What is first class lever ? can you pease say where is does the fulcrum ,load and effort​

Physics
1 answer:
valkas [14]3 years ago
7 0

Answer:

In first class lever the fulcrum lies between the effort and the load the effort lies on the left side and load lies on the right side .

Explanation:

hope this helps

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Mrs. Lynn's art class is making pencil holders out of soup cans. Each student is first covering a can with felt. What will the c
DochEvi [55]

Answer:

25.13 cm

Explanation:

Mrs. Lynn's art class is making pencil holders out of soup cans

These soup cans are definitely in cylindrical forms.

Each student is first covering a can with felt.

A felt is a type of material that is used for covering other objects. Here a felt is used to cover soup cans.

So if the diameter of the bottom of the can is 8 cm (i.e d = 8cm)

What will the circumference of the piece of felt need to be in order to cover the bottom of the can?

The felt will also take the circumference of a cylinder; and which is given by the expression

C = 2 πr

since diameter (d) = 8 cm

radius (r) = \frac{d}{2}

r = \frac{8}{2}

r = 4 cm

C = 2 × π × 4 cm

C = 2 × 3.142 × 4 cm

C = 25.13 cm

∴ the circumference of the piece of felt need to be 25.13 cm in order to cover the bottom of the can.

6 0
3 years ago
Do energy drinks actually provide energy?
denis-greek [22]

Answer:

Most energy drinks contain large amounts of caffeine, which can provide a temporary energy boost. Some energy drinks contain sugar and other substances. The boost is short-lived, however, and may be accompanied by other problems.

Explanation:

6 0
2 years ago
Read 2 more answers
A billiard ball travels 23 cm in the positive direction , hits the cushion and rebounds in the negative direction , and Finally
wel

Explanation :

Displacement refers to the distance between the final and the initial position. Hence the displacement of the ball will be the difference between the initial and the final displacement.

Let the initial position be 0.

Final position = 8 cm

So the difference between initial position and final position = 0 – 8 = - 8 cm.

So the billiard ball comes to rest 8.0 cm behind its orbital position.

4 0
3 years ago
(c) Another spring has a spring constant of 250 N/m.
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It is E=something which leases another something equaling another something
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The astronomer who first worked out the mathematical description of black hole event horizons was?
vovangra [49]

Karl Schwarzschild devised the first general relativity model that would adequately describe a black hole in 1916.

What is Black Hole?

A black hole is an area of spacetime with such intense gravitational pull that nothing can escape from it, not even light or other electromagnetic waves. According to general relativity theory, a compact enough mass can bend spacetime into a black hole. The event horizon is the line beyond which there is no escape.

Black holes were once thought to be a mathematical curiosity, but theoretical research in the 1960s revealed that they were actually a general prediction of general relativity.

To know more about Black Hole refer:

brainly.com/question/7866362

#SPJ4

4 0
2 years ago
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