The energy of a body moving across a horizontal surface is an example of __________ energy
Fill in the blank(s) with correct word
kinetic
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The period of oscillation of a near-Earth satellite (neglecting atmospheric effects) is 84.3 min. What is the period of a near-Moon satellite? (R?= 6.37 × 10^6 m; RMoon= 1.74 × 10^6 m; m? = 5.98 × 10^24 kg; mMoon = 7.36 × 10^22 kg.)
a. 6.03 × 10^?3 min. b. 0.713 min. c. 84.3 min. d. 108 min. e. 140 min.
A bar magnet is falling through a loop of wire with constant velocity. The south pole enters first. As the magnet leaves the wire, the induced current (as viewed from above):
a. is clockwise. b. is counterclockwise. c. is zero. d. is along the length of the magnet.
The following image represents which kind of matter?
A) a mixture B) a compound C) an element D) none of the above E) all of the above
A airplane that is flying level needs to accelerate from a speed of 200 m/s to a speed of 240 m/s while it flies a distance of 1200 m. What must the acceleration of the plane be?
A) 4.44 m/s2 B) 2.45 m/s2 C) 7.33 m/s2 D) 5.78 m/s2 E) 1.34 m/s2