Mass on a Spring: A 0.50-kg object is attached to an ideal spring of spring constant (force constant) 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. At what distance from the equilibrium position are the kinetic energy and potential energy of the system the same?
A. 0.017 m
B. 0.029 m
C. 0.12 m
D. 0.17 m
Answer: D
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Fill in the blank(s) with correct word
A box is moved 20 m across a smooth floor by a force making a downward angle with the floor, so that there is effectively a 10 N force acting parallel to the floor in the direction of motion and a 5 N force acting perpendicular to the floor. The work done is
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An object is placed to the left of a converging lens. Determine if the following statement is true or false. The image can be upright or inverted
1.True 2.False
If R = 4.0 k?, C = 3.0 mF, ? = 15 V, Q = 12 mC, and I = 2.0 mA, what is the potential difference Vb ? Va?
a.
+3.0 V
b.
?19 V
c.
?3.0 V
d.
+27 V
e.
+21 V