174k views
4 votes
calculating power reach each scenario and then answer the questions scenario a 120 j of work is done in 6 seconds scenario b 160 j of work is done at 8 seconds scenario c200 J's of work is done in 10 seconds which scenario uses the most power

User Skierpage
by
4.9k points

2 Answers

0 votes

Answer:

All of them have the same power 20

Step-by-step explanation:

User Rishabh Sagar
by
6.1k points
0 votes

Answer: scenario b and scenario c uses most power

Step-by-step explanation:

Scenario a:

Work=120J

Time=8 seconds

Power=work ➗ time

Power=120 ➗ 8

Power=15

Power=15 watts

Scenario b:

Work=160J

Time=8 seconds

Power=work ➗ time

Power=160 ➗ 8

Power=20

Power =20 watts

Scenario c:

Work=200J

Time=10 seconds

Power= work ➗ time

Power=200 ➗ 10

Power=20

Power=20 watts

Scenario b and scenario c uses most power

User Don Gossett
by
5.8k points