science(2 QUESTIONS)

PLEASE ANSWER MY 2 QUESTIONS IN SCIENCE THANKS

3.when a negatively charged object moves in the opposite direction of an electric force field,the potential energy of the object.

A.becomes zero(I PICK THIS)

B.increases

C.decreases

D.stays the same

4.the two south pole ends of two magnets are touching.Which of the following can be concluded?

A.no work was requried by an outside force.

B.the magnets are naturally attracted to each other.(I PICK THIS)

C.work was required by an outside force.

D.the potential energy of the magnets is low.

  1. 👍
  2. 👎
  3. 👁
  1. #2. Don't the two ends repel each other since both are are the same? That means work must be performed in order to push them together.

    I don't understand 3.

    1. 👍
    2. 👎
  2. yo DrBob222, what about #1?

    1. 👍
    2. 👎
  3. oh, sorry I miss-read.

    1. 👍
    2. 👎
  4. DOES ANYONE KNOW #3!?!?!

    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. science

    A student observes interactions between two sets of electrically charged objects. In each set, the objects carry either a charge of –1 or +1 Coulomb. Which question can the student ask to identify the set with the stronger

  3. Science

    1. A(n)_____ is a material that permits the transfer of heat. A(n)____is a meterial that does not permit the flow of heat.* 1 point A: Insulator, Conductor B: Conductor, Electric Field C: Insulator, Electric Field D: Conductor,

  4. science

    Two im not sure on, please check? What is the true work of all scientists? Scientists ask testable questions and devise ways to answer those questions through experimentation or observation.*** Scientists research other

  1. Science(Stuff to do like with magnets!)

    1. A positively charged test object is moving toward the positive source charge in an electric field. What happens next??? A. its potential energy decreases. B. Its potential energy increases. C. Its potential energy stays the

  2. physics

    Three applied forces, F1= 20.0 N, F2= 40.0 N, and F3 = 10.0 N act on an object with a mass of 2.00 kg which can move along an inclined plane as shown in the figure. The questions refer to the instant when the object has moved

  3. Physics

    A negatively charged balloon has 3.1 μC of charge. How many excess electrons are on this bal- loon? Answer in units of electrons.

  4. Science

    In a classroom experiment, a student rubs a comb against her hair. The child is then brought near bits of paper resting on a surface. Which of these can be concluded if the comb picks up bits of paper? A. The comb is an insulator,

  1. Physics

    Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. The work done on object A is 500J. After the force pulled each object, object A moves twice as

  2. Physics

    If you shine an ultraviolet light on the metal ball of a negatively charged electroscope, it will discharge. But if the electroscope is positivelely charged, it won't discharge. Why?

  3. mathematics

    An object moves around x^2 + y^2 = 25 (which represents a circle whose radius is 5 meters) at a constant speed. At time t = 0 seconds, the object is at (5, 0). When t = 1, it is at (4, 3). Where is the object when t = 2? when t =

  4. Physical Science

    Consider three objects: A, B, and C. If A is positively charged, B repels A, and C is attracted by A, what can you say about the charge on B and C? A. B is positively charged and C is negatively charged. B. B is negatively charged

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