3 years ago

Paul sprinkles iron filings onto a piece of paper

1 answer:

6 0

Answer:

The closer together the field lines are, the stronger the field. As you can see the field is very strong in the center of the magnet, but because they are mostly contained in the magnet itself, the field is very weak in the air near the center.

Explanation:

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In this section of a circuit, a current of 2.6 A flows across R1. What is the potential difference V between point x and point y

Ymorist [56]

Answer:

V=21V

Explanation:

In series combination current is same

I=2.6A

R2=8ohm

V2=2.6×8

V2=20.8

V2=21V

5 0

4 years ago

Your own car has a mass of 2000 kg. If your car produces a force of 5000 N, how fast will it accelerate?

Sidana [21]

Answer:

2.5m/s²

Explanation:

Given parameters:

Mass of car = 2000kg

Force produced by the car = 5000N

Unknown:

Acceleration of the car = ?

Solution:

According to Newton's second law of motion, Force is a product of mass and acceleration.

Force = mass x acceleration

Now, insert the parameters and find the unknown;

5000 = 2000 x acceleration

Acceleration = $\frac{5000}{2000}$ = 2.5m/s²

7 0

3 years ago

If a machine exerts a force of 250N on an object and no work is done, what must have occurred?

ss7ja [257]

The object did not move / was kept from moving.

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3 years ago

Which of the following is an example of pure research? Creating new elements to study their properties Producing plastics that a

koban [17]

Creating new elements in order to study their properties is definitely pure research.
It has no earthly [known] application, since the elements don't even exist, whereas
for each of the other choices, you've stated the desired application as the reason
for the search.

6 0

3 years ago

Physics is explicitly involved in studying which of these activities?

Dmitrij [34]

Hey Friends
The answer to this question would be C
Hope i helped
~Katie

8 0

3 years ago

Read 2 more answers