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
Agata [3.3K]
3 years ago
9

The figure shows the motion of electrons in a wire which is near the North pole of a magnet. The wire will be pushed:

Physics
1 answer:
zhuklara [117]3 years ago
7 0

Answer:

D. upwards

Explanation:

The electron moves in the direction opposite to the current (by definition)

Since the field is out of the N pole the electron will be deflected DOWNWARD

If the direction is reversed then it will be deflected UPWARD

You might be interested in
Consider massive gliders that slide friction-free along a horizontal air track. Glider A has a mass of 1 kg, a speed of 1 m/s, a
mamaluj [8]

Answer:

0.167m/s

Explanation:

According to law of conservation of momentum which States that the sum of momentum of bodies before collision is equal to the sum of the bodies after collision. The bodies move with a common velocity after collision.

Given momentum = Maas × velocity.

Momentum of glider A = 1kg×1m/s

Momentum of glider = 1kgm/s

Momentum of glider B = 5kg × 0m/s

The initial velocity of glider B is zero since it is at rest.

Momentum of glider B = 0kgm/s

Momentum of the bodies after collision = (mA+mB)v where;

mA and mB are the masses of the gliders

v is their common velocity after collision.

Momentum = (1+5)v

Momentum after collision = 6v

According to the law of conservation of momentum;

1kgm/s + 0kgm/s = 6v

1 =6v

V =1/6m/s

Their speed after collision will be 0.167m/s

6 0
3 years ago
Maurice pulls on the end of a spring scale. He lets go of the end and observes the spring snap back into place. What force resto
andreev551 [17]
Elastic is the right answer.
3 0
3 years ago
Read 2 more answers
Consider one such cell where the magnitude of the potential difference is 65 mV, and the inner surface of the membrane is at a h
Gelneren [198K]

Answer: W = 1.04.10^{-20} J

Explanation: Since the potassium ion is at the outside membrane of a cell and the potential here is lower than the potential inside the cell, the transport will need work to happen.

The work to transport an ion from a lower potential side to a higher potential side is calculated by

W=q.\Delta V

q is charge;

ΔV is the potential difference;

Potassium ion has +1 charge, which means:

p = 1.6.10^{-19} C

To determine work in joules, potential has to be in Volts, so:

\Delta V=65.10^{-3}V

Then, work is

W=1.6.10^{-19}.65.10^{-3}

W=1.04.10^{-20}

To move a potassium ion from the exterior to the interior of the cell, it is required W=1.04.10^{-20}J of energy.

8 0
3 years ago
Batteries involve the flow of electricity from one metal to another. What happens to these metals to cause the batteries to, eve
Nataly [62]
The metals will start to rust lol. i think. because this messes up how the metals conduct the flow of the electricity.
3 0
3 years ago
14. A rocket is shot up into the air and then comes back down and hits the ground 9.2 second later.
sineoko [7]

Answer:

105.8 m

46 m/s

Explanation:

From the time the rocket is launched to the time it reaches its maximum height:

v = 0 m/s

a = -10 m/s²

t = 9.2 s / 2 = 4.6 s

Find: Δy and v₀

Δy = vt − ½ at²

Δy = (0 m/s) (4.6 s) − ½ (-10 m/s²) (4.6 s)²

Δy = 105.8 m

v = at + v₀

0 m/s = (-10 m/s²) (4.6 s) + v₀

v₀ = 46 m/s

3 0
4 years ago
Other questions:
  • If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the
    13·1 answer
  • A 50.0-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.300 and the
    8·1 answer
  • What stays constant in a reaction?
    5·1 answer
  • Average velocity is different than average speed because calculating average velocity involves
    9·2 answers
  • At an amusement park, a swimmer uses a water slide to enter the main pool. a. If the swimmer starts at rest, slides with negligi
    8·1 answer
  • A 12-kg hammer strikes a nail at a velocity of and comes to rest in a time interval of 8.0 ms. (a) What is the impulse given to
    9·1 answer
  • An electric field has a positive test charge of 5.00 C placed in it. The force on the test charge is
    10·1 answer
  • 7. Navy use SONAR method to locate the position of submarine under water. The waves used in SONAR are A transverse waves. B elec
    7·2 answers
  • What is the difference between thrust and applied force?
    9·1 answer
  • An object is at rest. There are several forces acting on the object, but the net force is zero. If all the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!