How does a magnetic field cause electric charges to form an electric current? A. A force is exerted by the magnetic field on only the negative
charges in the wire.
B. Negative charges and positive charges are pushed in the same
direction by the magnetic field.
C. Negative charges and positive charges are pushed in opposite
directions by the magnetic field.
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D. A force is exerted by the magnetic field on only the positive
charges in the wire.

Which component of the earth’s atmosphere is decreased due to photosynthesis?

Suppose a force of 60 n is required to stretch and hold a spring 0.1 m from its equilibrium position. a. assuming the spring obeys hooke's law, find the spring constant k. b. how much work is required to compress the spring 0.5 m from its equilibrium position? c. how much work is required to stretch the spring 0.6 m from its equilibrium position? d. how much additional work is required to stretch the spring 0.1 m if it has already been stretched 0.1 m from its equilibrium? a. kequals 600

When the acceleration of a mass on a spring is zero, the velocity is at a (fill in the blank) . when the velocity of a mass on a spring is zero, the acceleration is at a (fill in the blank) .