Consider two different field line patterns due to two different magnets A and B. In pattern A, there are 45 lines in 27 cm2. In pattern B, there are 75 lines in 31 cm2. Which magnet has the stronger magnetic field?

Considering only the earth's rotation, determine how much later the asteroid would have had to arrive to put the explosion above helsinki at longitude 25˚ e? this would have obliterated the city.

Apositive charge moves in the direction of an electric field. which of the following statements are true? check all that apply. check all that apply. 1.the potential energy associated with the charge decreases. 2. the electric field does positive work on the charge. 3. the electric field does negative work on the charge. 4. the potential energy associated with the charge increases. 5. the electric field does not do any work on the charge. 6. the amount of work done on the charge cannot be determined without additional information.

While the change in blank will remain the same during a collision, the force needed to bring an object to a stop can be blank if the time if collision is blank