1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Semenov [28]
3 years ago
14

What happens if a bar magnet is broken in half?

Physics
2 answers:
ch4aika [34]3 years ago
6 0

Answer:

c.  Each half becomes a new bar magnet with two magnetic poles.

Explanation:

As we know that each magnet must have two opposite poles at its two ends

1. North Pole

2. South pole

now we defined magnetic moment of the magnet as product of pole strength of magnet with its length.

Here as we brake a magnet into two pieces then each part of the magnet will again develop poles on two parts and each part will behave like a new magnet in which we will have two poles.

but in this case the magnetic moment of the magnet will change due to change in the length

Here magnetic pole strength will not change as it will not depends on the length of magnet

laiz [17]3 years ago
4 0
<span>C. Each half becomes a new bar magnet with two magnetic poles.

A magnet is still a magnet, no matter how many pieces it is in.</span>
You might be interested in
A fish swimming in a horizontal plane has velocity i = (4.00 + 1.00 ) m/s at a point in the ocean where the position relative to
ryzh [129]

Answer:

a. The horizontal component of acceleration a₁ = 0.68 m/s²

The vertical component of acceleration a₂ = -0.11 m/s²

b. -9.19° = 350.81° from the the positive x-axis

Explanation:

The initial velocity v₁ of the fish is v₁ = 4.00i + 1.00j m/s. Its final velocity after accelerating for t = 19.0 s is v₂ =  17.0i - 1.00j m/s

a. The acceleration a = (v₂ - v₁)/t = [17.0i - 1.00j - (4.00i + 1.00j)]/19 = [(17.0 -4.0)i - (-1.0 -1.0)j]/19 = (13.0i - 2.0j)/19 = 0.68i - 0.11j m/s²

The horizontal component of acceleration a₁ = 0.68 m/s²

The vertical component of acceleration a₂ = -0.11 m/s²

b. The direction of the acceleration relative to the unit vector i,

tanθ = a₂/a₁ = -0.11/0.68 = -0.1618

θ = tan⁻¹(-0.1618) = -9.19° ⇒ 360 + (-9.19) = 350.81° from the the positive x-axis

6 0
3 years ago
A snowball accelerates at
ANTONII [103]

Answer:

0. 1226495726kg

Explanation:

Force is the product of mass and acceleration.

Mathematically,

Force(F) = mass (m)×acceleration(a)

Substituting the values into the equation

2. 87=m×23. 4

2. 87=m (23. 4)

2. 87/23. 4=m (23. 4)/23. 4

2. 87/23. 4=m

0. 1226495726=m

8 0
3 years ago
What is the difference between polarization and induction?
nalin [4]
In which it is the plane in which charges move. for example in electromagnetic waves polarization<span> means the plane in which electrons oscillate. ... it is the distribution of electric charges (electron) in an object. </span>induction<span> of charges takes place in some insulators just by some mechanical interaction such as rubbing</span>
3 0
3 years ago
A small block with a mass of 0.120 kg is attached to a cord passing through a hole in a frictionless, horizontal surface (Fig. 6
Rina8888 [55]

Answer:

a) 0.147 N

b) 9.408 N

c) 9.261 N

Explanation:

The tension on the cord is the only force keeping the block in circular motion, thus representing the entirety of its centripetal force \frac{mv^{2} }{r}. Plugging in values for initial and final states and we get answers for a and b. The work done by the person causes the centripetal force to increase, and thus is the difference between the final tension and the initial tension.

7 0
3 years ago
Carmen is helping load furniture and boxes onto a moving truck. She picks up boxes of her things, places them on a cart, and pus
AleksandrR [38]

Answer:

B because of the friction from the wheels

6 0
3 years ago
Read 2 more answers
Other questions:
  • The rate at which light energy is radiated from a source is measured in which of the following units?
    9·1 answer
  • A car is traveling 12m/s. It approaches a stop sign and decelerates at 4.0m/s squared. How long does it take the car to stop?
    15·1 answer
  • Monochromatic light is incident on a grating that is 75 mm wide and ruled with 50,000 lines. The second-order maximum is seen at
    8·1 answer
  • A wheel rotates without friction about a stationary horizontal axis at the center of the wheel. A constant tangential force equa
    6·1 answer
  • 49. In what direction does the force of friction act?
    10·1 answer
  • How to explain horizontal in words
    15·1 answer
  • A point particle of mass m1 = 2.00 kg is at the origin and a second point particle of mass m2 = 6.00 kg is on the x axis at x =
    12·1 answer
  • The towline exerts a force of p = 4 kn at the end of the 20-m-long crane boom. if u = 30, determine the placement x of the hook
    7·1 answer
  • PLZ PLZ PLZ PLZ PLZ PLZ PLZ HELPPPPPPPPPPPPPPPPP
    14·2 answers
  • I believe the answer is D but wanted to make sure.
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!