1) A mass of 3.0 kg is subject to a force F(x) = 8.0 N (4.0...
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Question:
1) A mass of 3.0 kg is subject to a force F(x) = 8.0 N — (4.0 N/m)x The potential energy of the mass is zero at x = 0. What is the potential energy of the mass at x = 2.0 in?
A) 4.0 J
B) 0.0 J
C) 8.0 J
D) -4.0 J
E) -8.0 J
2) At what rate is a 60.0kg boy using energy when he runs up a flight of stairs 10.0m high. in B.000
A) 80.0 W
B) 75.0 W
C) 736 W
D) 4.80 kW
E) 48 W
Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073398242
11th edition
Authors: Ferdinand Beer, E. Russell Johnston Jr., David Mazurek, Phillip Cornwell, Brian Self
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