A 30 N-force toward the west is applied to an object. The object moves 50 m east during the time the force is applied. What is the change in kinetic energy of the object?
A)
0.0 J
B)
1.7 J
C)
1.0 J
D)
-1500 J
E)
750 J
D
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A parallel-plate capacitor has plates of area 0.80 m2 separated by a distance of 3.0 mm. What is this capacitor's capacitance?
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A catapult is tested by Roman legionnaires. They tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units):
angle of landing height = launch height. What is the initial velocity of launch of the boulders if air resistance is negligible? A) 44 m/s B) 1.4 m/s C) 22 m/s D) 0.69 m/s
The ________ track is the path the star takes on the H-R diagram as it ages
Fill in the blank(s) with correct word