Using 1000 J of work, a toy elevator is raised from the ground floor to the second floor in 20 seconds. The power needed to do this job was
A) 1000 W.
B) 50 W.
C) 20 W.
D) 100 W.
E) 20,000 W.
Correct Answer:
Verified
Q84: It is correct to say that impulse
Q85: A pulley system raises a 1000-N load
Q86: A 5000-kg freight car having a kinetic
Q87: If you push an object twice as
Q88: Which would be more damaging, driving into
Q90: The ball rolling down an incline has
Q91: If you do work on an object
Q92: A job is done slowly, while an
Q93: The force that accelerates a rocket in
Q94: Both A 50-kg sack is lifted 2
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents