Which task requires more work?
A) lifting the 50-kg sack 2 meters
B) lifting the 25-kg sack 4 meters
C) both require the same
D) need more information
Correct Answer:
Verified
Q1: One kilowatt-hour represents
A)1 N.
B)60 N/s.
C)60,000 W.
D)3.6 million
Q3: A toy elevator is raised from the
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Q5: The work you do when pushing a
Q6: The power required to exert 4-N force
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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