An ornament of mass 40.0 g is attached to a vertical ideal spring with a force constant (spring constant) of 20.0 N/m. The ornament is then lowered very slowly until the spring stops stretching. How much does the spring stretch?
A) 0.00200 m
B) 0.0196 m
C) 0.0816 m
D) 0.800 m
E) 0.200 m
B
You might also like to view...
Lenz's law arises because of the following basic principle:
A. Gauss's law B. the conservation of momentum C. Coulomb’s law D. the conservation of energy E. the conservation of charge
With which of the following observations could Tycho have demonstrated that a comet must be a celestial phenomenon? (Note: you may want to review Ch. 2)
A) from the comet causing a full solar eclipse across much of Europe B) measuring changes in its brightness over time C) parallax measurements from observing it from two locations on Earth
Multiple-Object Accelerating Systems: As shown in the figure, a 10-kg block on a perfectly smooth horizontal table is connected by a horizontal string to a 63-kg block that is hanging over the edge of the table. What is the magnitude of the acceleration of the 10-kg block when the other block is gently released?
A. 8.5 m/s2 B. 8.1 m/s2 C. 7.5 m/s2 D. 9.0 m/s2
The horsepower required to rotate the shaft of Problem 2, if SAE-30 oil at 40°C fills the gap, is nearest:
(A) 0.203 hp (B) 0.191 hp (C) 0.174 hp (D) 0.123 hp