7. When placed within a magnetic field, some materials turn into magnets themselves. We call these magnets.
a. Permanent
b. Temporary
c. Short-term
d. Long-term

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How are series and parallel circuits simililar? both have multiple paths for electrons to travel. both require resistors in their circuits. both require a switch to complete the circuit. both have at least one path for electrons to travel.

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?