The power required to exert 4-N force over 3 meters in 2 seconds is
A) 4 W.
B) 6 W.
C) 8 W.
D) 12 W.
E) none of the above
Correct Answer:
Verified
Q1: One kilowatt-hour represents
A)1 N.
B)60 N/s.
C)60,000 W.
D)3.6 million
Q2: Which task requires more work?
A)lifting the 50-kg
Q3: A toy elevator is raised from the
Q4: The work done in pushing a TV
Q5: The work you do when pushing a
Q7: Both a 50-kg sack is lifted 2
Q8: The work you do when pushing a
Q9: The work you do when pushing a
Q10: If you do work on a skateboard
Q11: When a drawn bow of potential energy
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