A student weighing 200 N climbs a flight of stairs 9.0 m high in 4 s. What power is required to perform this task?
A) 1800 J
B) 800 J
C) 1800 W
D) 800 W
E) 450 W
Correct Answer:
Verified
Q11: A joule/meter (J/m) is a unit of
A)
Q12: Work is defined as force times
A) distance.
B)
Q13: The _ distance is used in calculating
Q14: The potential energy of a pendulum is
Q15: Which of the following is not a
Q17: An object has kinetic energy of 324
Q18: A joule per second (J/s) is a
A)
Q19: Which of the following is a vector
Q20: The kinetic energy of a pendulum is
Q21: One watt is equal to one joule
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