Listed following are several objects in the solar system. Rank these objects from left to right based on their distance from the Sun, from closest to farthest.
Ans: a typical asteroid in the asteroid belt, a typical Kuiper belt object, a typical Oort cloud object
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Nimbus means
a. "poorly formed.". b. "rain forming cloud.". c. "heap.". d. none of these.
A uniform rod of length (L = 2.0 m) and mass (M = 1.5 kg) is pivoted about a horizontal frictionless pin through one end. The rod is released from rest at an angle of 30° below the horizontal. What is the angular speed of the rod when it passes through the vertical position? (The rotational inertia of the rod about the pin is 2.0 kg?m2.)
A. 3.5 rad/s B. 2.7 rad/s C. 3.1 rad/s D. 2.3 rad/s E. 1.6 rad/s
If the ac peak current through a 100 ohm resistor is 1.7 A, the peak voltage across this resistor is
A) 289 V. B) 110 V. C) 170 V. D) 210 V. E) 120 V.
How much work must be done by frictional forces in slowing a 1000-kg car from to rest?
A) 3.41 × 105 J B) 2.73 × 105 J C) 4.09 × 105 J D) 4.77 × 105 J