Multiple Choice
How much work does a weight-lifter do in holding a 245-kg weight 2.13 m over the ground?
A) 0 J
B) 522 J
C) 3400 J
D) 5110 J
Correct Answer:
Verified
Related Questions
Q55: An object slides without friction up
Q56: A spring with spring constant k is
Q57: A rope that makes an angle of
Q58: A crane with an efficiency of 0.8
Q59: A car with a mass of 1000
Q61: A 60% efficient engine is used to
Q62: A mass of 0.75 kg is suspended
Q63: A spring has a spring constant of
Q64: A 10.0-g bullet traveling horizontally with an
Q65: Calculate the kinetic energy of a baby
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