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Questions in physics

[Done] Lights connected in parallel are __________ than lights connected in series. Which of the following completes the sentence?

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Complete the following statement: Relative motion between the ? and ? is needed to have a voltage induced. A. conductor/commutator B. conductor/magnetic field C. magnetic field / flux lines D. magnetic field / power source

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Decide whether each proposed addition or subtraction of measurements is possible. If it is possible, write the result in the last column of the table. Be sure every answer you enter has the correct unit symbol. | proposed addition or subtraction | Is this possible? | result | |---|---|---| | [tex]$61.0 ms-36.0 ms=?$[/tex] | yes no | | | [tex]$21.000 s+44.000 ms=?$[/tex] | yes no | | | [tex]$42.0 g+45.0 L=$[/tex] ? | yes no | |

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] When driving 55 mph, 4.6 seconds is enough time to travel A. Over 200 yards B. The length of a football field C. 1 mile D. 55 feet