Jupiter rotates about its axis once every 10 hours. How much time passes between high tides in its atmosphere?
A. 5 hrs
B. 10 hrs
C. 20 hrs
D. 100 hrs
Ans: A. 5 hrs
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Projectile Motion: At target practice, a rifle bullet is fired at an angle of 30° below the horizontal with an initial velocity of 800 m/s from the top of a cliff 80 m high. How far from the base of the cliff does it strike the level ground below if air resistance is negligible?
Fill in the blank(s) with the appropriate word(s).
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? (RE = 6.37 × 10^6 m; RM = 1.74 × 10^6 m; ME = 5.98 × 10^24 kg; MM = 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.
If you run towards the source, the frequency you hear is lower than f
Indicate whether the statement is true or false
If the momentum of an electron is 1.53 MeV/c, what is its kinetic energy?
A. 1.53 MeV B. 1.02 MeV C. 1.44 MeV D. 1.10 MeV E. 2.59 MeV