Physics

When a positive charge moves in the direction of the electric field, what happens to the electrical potential energy associated with the charge?

It increases.
It decreases.
It remains the same.
It sharply increases, and then decreases.

A

How is a motor's mechanical energy able to perform mechanical work?

Mechanical energy is converted into electrical energy.
A current is generated by a rotating loop in a magnetic field.
Electrical energy is converted into a magnetic force.
A shaft connected to the rotating coil is attached to some external device.

D

Which of the following statements about electromagnetic radiation is true?

It transfers energy to objects in the path of the electromagnetic waves.
It can be converted to other energy forms.
It transports the energy of electromagnetic waves.
all of the above

D

What daughter isotopes are produced when a neutron combines with a nucleus of 235/92 U? Assume that three neutrons are also produced in the reaction.

A. 140/56 Ba, 95/36 Kr
B. 142/56 Ba, 93/36 Kr
C. 140/56 Ba, 93/36 Kr
D. 141/56 Ba, 94/36 Kr

B

Which interaction of nature binds atoms and molecules by attracting unlike charges and repulsing like charges?

strong
weak
electromagnetic
gravitational

C

  1. 👍
  2. 👎
  3. 👁
  1. Wrong
    Correct
    Correct
    Wrong. You forgot the extra neutrons released.
    Correct

    1. 👍
    2. 👎
  2. Is 1 D and 4 D also?

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science- Electric and Magnetic Potential Energy

    1. At which position will the bar magnets most likely experience the least magnetic potential energy between them? D - position 4 2. A positively charged test object is moving toward the positive source charge in an electric

  2. physics

    Which of the following statements about electric field lines due to static charges are true? (Select all that apply.) Electric field lines can never cross each other. Static charges can create closed loop electric field lines that

  3. walter

    A positive charge of 1.5x10^-8 C experiences a force of 0.025 N to the left in an electric field. What are the magnitude and direction of the field?

  4. Physics

    (a) Find the electric field at x = 5.00 cm in Figure 18.52(a), given that q = 1.00X10^-6;C . (b) At what position between 3.00 and 8.00 cm is the total electric field the same as that for –2q alone? (c) Can the electric field be

  1. Physics

    Six point charges of equal magnitude q are at the corners of a regular hexagon that has sides of length d. All the odd number charges are positive and all the even number charges are negative (so that there are three positive and

  2. physics

    please check: Two point charges, initially 1 cm apart, are moved to a distance of 3 cm apart. By what factor do the resulting electric and gravitational forces between them change? a. 9 b. 3 c. 1/3 d. 1/9 D Two positive charges,

  3. Physics

    A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is

  4. science

    A positive test charge of 6.00 µC is placed in an electric field, which exerts a force of 5.00 x 10-4 N on the test charge. What is the magnitude of the electric field strength at the location of the test charge? (remember E =

  1. Physics

    An electron experiences a force of 12 mN in the positive x-direction in an electric field. What is the magnitude and direction of the electric field?

  2. physics

    a particle with a positive charge of 3c moves downward at speed of 15m/s. It passes simultaneously through a magnetic field of 0.2T directed into th page and an electric field of 3N/C directed to the right. how is the motion of

  3. physics

    Two positive charges of 5.43 µC each are 508 cm apart. Find the electric field midway between them. What is the magnitude of the electric field if one charge is positive and the other negative, both of magnitude 5.43 µC?

  4. physics

    The electric field at the point and points in the positive direction with a magnitude of 8.00 . At the point and the electric field points in the positive direction with a magnitude of 12.0 . Assume this electric field is produced

You can view more similar questions or ask a new question.