A student performs an activity using a sheet of paper, a magnet, and a steel ball. The image shows the setup. The student observes that the steel ball sticks to the magnet even though, the paper is between them. Which factor leads to the attraction of the ball to the magnet. A. The magnet exerts a force on the ball.
B. The magnet attracts paper, which pulls the ball. C. The paper exerts a force on the ball, Which pulls the ball towards the magnet.
D. The size of the ball attracts to the ball towards the magnet.

Answers

Answer 1

Answer:

A steel ball, a magnet, and a piece of paper are used in an activity by a pupil. The ball is under the influence of the magnet. Therefore, choice A is right.

What is a magnet?

When electric charges move, a phenomenon known as magnetism is produced. These tiny movements can occasionally be found inside a material known as magnets. Magnets and the magnetic fields created by moving electric charges can attract or repel other magnets, which can also change how other charged particles move.

Because they can support a magnetic field that lasts forever, some materials, like iron, are categorized as permanent magnets. These are the magnets that are typically encountered in day-to-day life. Other materials like iron, cobalt, and nickel can be briefly given a magnetic field when placed inside a stronger, bigger magnetic field, but they will eventually lose their magnetic qualities.

To get more information about magnets :

brainly.com/question/2841288

#SPJ2

Answer 2

Answer:

Answer:b

Explanation:

Related Questions

Radio waves travel at the speed of light, which is 3.00 u 108 m/s. How many kilometers will radio messages travel in exactly one year?
Sound waves in air are a series ofa. periodic disturbances. b. periodic condensations and rarefactions. c. high- and low-pressure regions. d. all of the above E. none of the above
What is the ohms law
50.0 meters away from a building. Tip of the building makes an angle of 63.0° with the horizontal. What is the height of the building
Charmane throws a rock into a lake. She has created _____.a. impact waves b. spring tides c. wind-generated waves d. deep-ocean waves

When a solid compound dissolves in water,a. it breaks up into individual crystals.
b. it always conducts electricity.
c. its particles surround individual water molecules.
d. each of its particles becomes surrounded by water molecules.

Answers

The answer is d. Each of its particles becomes surrounded by water molecules.

Notice that when you dissolve a solid compound in the water, it is no longer visible in or eyes, it mixes in the water, it is because it is being divided into smaller particles and each particles were surrounded by the water molecules.

The focal length is the distance from the midline of the lens to the _____.image
object
focal point
2F position

Answers

The focal length is the distance from the mid-line of the lens to the Focal Point.

Focal point lies at a distance which is half the radius of curvature of the lens. hence focal length is also given by the formula

f = R/2

where f = focal length

R = radius of the focal length

hence the correct choice is focal point.

Answer:

FOCAL POINT

Explanation:

JUST TOOK TEST

Why cooking pans don't have have metal handles?

Answers

metals are conductors, meaning that heat travels through it better than insulators such as plastic (commonly used for pan handles)

Therefore, to avoid the heat burning hands, most pans don't have metal handles.

Probably because during cooking they will also be hot and you won't be able to handle it.

PLEASE HELP!!!!!!!!!! Because the boy is slowing down, his velocity decreases over time. Use the final and starting velocities in the data table to calculate his average acceleration. Use the equation , where t is time, ux is initial velocity, vx is final velocity, and ax is acceleration. Use time t = 1.6 seconds, which is calculated using values from the table (1.8 − 0.2).

Answers

Answer:

The answer should be 0.825

Explanation:

I took like 20 mins to figure this out lol

A piston above liquid in a closed container has an area of 1m2. The piston carries a load of 350 kg. What will be the external pressure on the upper surface of the liquid in KPA

Answers

Answer:

3.43 kPa

Explanation:

Pressure is defined as the ratio between the force applied and the area of the surface on which the force is applied:

$p=(F)/(A)$

in this problem, the force corresponds to the weight of the load, which is given by the product between its mass (350 kg) and the acceleration due to gravity (9.8 m/s^2):

$F=mg=(350 kg)(9.8 m/s^2)=3430 N$

And since the area on which this force is applied is $A=1 m^2$ , the pressure exerted on the upper surface of the liquid is

$p=(F)/(A)=(3430 N)/(1 m^2)=3430 Pa = 3.43 kPa$

Pressure = force / area

I assume that 350kg is the mass
Therefore,

350 x 9.8 (gravity) = 3430N

3430 / 1 = 3430Pa

3.43 KPa

A meterstick moves toward you at speed 0.60c. What length do you measure for the meterstick?

Answers

-- IF the meter stick is oriented perpendicular to the direction from
it to you, then it appears 1 meter long to you, but very very skinny.
The Lorentz contraction only applies in the direction of motion.

-- If the length of the meter stick is pointing toward you, then . . .

L = L₀ √ (1 - v²/c²)

= √ (1 - 0.36)

= √ (0.64) = 0.8 meter .

Other Questions

A 2.50 × 105 W motor is used for 26.4 s to pull a boat straight toward shore. How far does the boat move toward shore if a force of 4.20 × 104 N is applied by the motor?

A long jumper leaves the ground at a 30 degree angle and travels 8.50 m. What is his take off speed?

Which technology allows doctors to evaluate whether an athlete has broken a bone?

4. Which problem is most likely to result from the use of nuclear power?O A. storage of radioactive wastes B. miners getting trapped underground C. oil spills that pollute oceans and beaches O D. pollutants in the groundwater after drilling