A 350-g air track cart on a horizontal air track is attached to a string that goes over a pulley with a moment of inertia of 6.00 × 10-6 kg?m2 and a radius of 1.35 cm. The string is pulled vertically downward by a force of 2.50 N
What is the acceleration of the cart? A) 7.14 m/s2
B) 6.53 m/s2
C) 5.27 m/s2
D) 4.98 m/s2
E) 3.27 m/s2
B
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A car starts from rest and accelerates with a constant acceleration of 1.00 m/s2 for 3.00 s. The car continues for 5.00 s at constant velocity. How far has the car traveled from its starting point?
A) 24.0 m B) 9.00 m C) 19.5 m D) 4.50 m E) 15.0 m
At what frequency does a 10-?F capacitor have a reactance of 0.12 k??
What will be an ideal response?
Answer each of the following questions to compare the two plots.
a) Which plot, if either, better shows mass and radius information for all the planets? b) Which plot, if either, better emphasizes the differences between Jupiter and Saturn? c) Which plot, if either, could more easily be extended to show a planet with twice Jupiter's mass or radius?
Distilled water at 75ºF is suddenly exposed to oxygen gas at 75ºF. Determine the time before the oxygen concentration in the water is 0.1% by mass at a point 0.05 inches below the surface of the distilled water.
What will be an ideal response?