PHYSICS HIGH SCHOOL

Which of the following is not an integer?A. -52/13
B. -3.0
C. 48/6
D. 48/5
Which of the following is not an integer? A. -52/13 - 1

Answers

Answer 1
Answer:

Answer:

The answer is D.

Explanation:

A integer can be positive, negative, or 0. So by simplifying all the fractions (making them into mixed numbers) we can find out that D results in a decimal, which is not a integer.

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The formula for speed is v = s/t.
a. True
b. False

Answers

if you mean S is the distance then it is true 
Velocity = Distance / time 

2. In a famous letter to Robert Hooke, Isaac Newton wrote, "If I have seen further it is only by standing on the shoulders of giants." Which of the following does this quote best demonstrate? (Points : 1)
the cumulative nature of modern knowledge of physics

how physicists form explanations using logic and evidence

inductive vs. deductive reasoning

how inductive reasoning is important in the study of physics

Answers

In my opinion, the correct answer is the first one, 'the cumulative nature of modern knowledge of physics'. He is trying to say here that it is the overall knowledge of physics and of his predecessors that has helped him become the greatness that he is today. 

What are examples of devices that use electromagnetic waves

Answers

Radio waves, microwaves, visible light and X Rays.

The output of a solar panel powers a small pump. The pump operates a garden water fountain. The output of the solar panel is 10 V and the current supplied to the pump is 0.25 A. Calculate the electrical power generated by the solar panel.

Answers

The power generated by solar panel will be "2.7 W".

According to the question,

The values are:

Output of solar panel,

  • 10 V

Current,

  • 0.25 A

The electrical power generated will be:

→ P = VI

By substituting the given values is the above formula, we get

→     = 10* 0.27

→     =2.7 \ W

Thus the above answer is right.

Learn more about power here:

brainly.com/question/16642746
That’s tuff ima get in give me a min

Scientific knowledge changes when which of the following occurs?A. When knew evidence that challenges old ideas is presented.
B. When scientist decide to change their theories and ideas in response to societal pressure.
C. Scientific knowledge does not change. Once and idea or theory is established it is permanent.

Answers

A. When new evidence that challenges old ideas is presented.

Think about the other choices, they do not make any sense. You cannot change your ideas just because people want something to be a certain way. And you have to change your idea if you're proven wrong.

Answer:

b

Explanation:it is correct

What type of magnetism is present in a magnet that you use to place a photograph on the refrigerator? A. Induced
B. Superconducting
C. Contact
D. Permanent

Answers

Answer:

C) Contact

Explanation:

The magnet requires almost direct contact with the fridge to start its magnetic properties.

Answer:

Correct Answer is option D (permanent)

Explanation:

Permanent magnet

Permanent magnet is a magnet in which magnetic properties are present even in the absence of an external magnetic field. It has its own magnetic field.

Permanent type of magnetism is present in a magnet that we use to place a photograph on the refrigerator.This permanent magnet  is made up of powdered ferrite  and liquid plastic. The  mixture of ferrite and plastic is heated at a particular temperature and then this heated mixture is placed in a strong magnetic field. Due to this applied magnetic field this mixture is turned into a permanent magnet.

By this method of it requires less material to create a permanent magnet.

I hope this answer will help you.
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