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vfiekz [6]
2 years ago
5

You run away from a plane mirror at 1.80 m/s. At what speed does your image move away from you?

Physics
1 answer:
Vlad [161]2 years ago
4 0

Answer:

3.60m/s

.................

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Find the right answer please
Ghella [55]

Answer:

3.78

Explanation:

bc ik it is :3

5 0
3 years ago
A person is lifting a heavy box using a lever. What is the purpose of the lever in this situation?
ruslelena [56]

Answer:

to reduce the <em>force</em> needed to lift the box and <em>change</em> the direction of the force

Explanation:

1. "A lever consists of a rigid bar that is able to pivot at one point. This point of rotation is known as the fulcrum. A force is applied at some point away from the fulcrum (typically called the effort)."

By this definition, we know that force is needed to lift an object using a lever.

2.<u> "When the input and output forces are on opposite sides of the fulcrum, </u><u>the lever changes the direction of the applied force.</u> This occurs only with first-class levers. When both the input and output forces are on the same side of the fulcrum, the direction of the applied force does not change"

For example, on a sew saw, if a force is applied on one end, you on the other side/end would go up, meaning <u>a change in direction</u>.

3. Lastly, we know <u><em>a lever is typically used to reduce work</em></u>, in other words, the force needed to move something.

Basically, if we were to put a lever into an equation:

reduced force + change in direction = lever

(<em>the expection</em>) <u>unless load and force are on the same side</u>, there will be <u>no change in direction. </u>

For example, if you and your friend sit on the same side of a sew saw, the sew saw would not go up or down, meaning no change in direction.

So if not stated otherwise you can assume the load and force are on opposite sides. The purpose of a lever in that situation would be to reduce the force needed to lift the box and change the direction of the force.

*While reading my explanation, it may be helpful to look up a diagram containing a lever, with a load, fulcrum, and applied force.

6 0
1 year ago
According to the law of universal gravitation, any two objects are attracted to each other. The strength of the gravitational fo
hodyreva [135]

Answer:

C. Plant A orbits its star faster than Plant B

Explanation:

Did it on study island

7 0
2 years ago
Suppose you're watching your favorite soap opera. After one of the main characters is thrown from a galloping horse, she suffers
Viktor [21]
She suffers from <span>Retrograde </span>amnesia 
5 0
2 years ago
Read 2 more answers
Pattinson Food Suppliers has received a letter from a government agency regarding some complaints of wrong labeling of meat prod
Anuta_ua [19.1K]

Answer:

1. The United States Department of Agriculture’s Food Safety and Inspection Service (FSIS)

Explanation:

FSIS has primary responsibility for the regulation of food labeling  

for meat and poultry products under the FMIA(Federal Meat Inspection Act) and the PPIA(Poultry Products Inspection Acts) and is also  

authorized to regulate food labeling for exotic species of animals under the  

Agricultural Marketing Act of 1946.

5 0
2 years ago
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