Mass can be considered concentrated at the center of mass for rotational motion
Indicate whether the statement is true or false
FALSE
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Which of the following is the reason for the solar day being longer than a sidereal day?
A) precession of Earth's axis B) the tilt of Earth's axis C) the combined effect of the rotation of Earth and its orbit about the Sun D) Earth year being a non-integer number of Earth days E) the non-circular orbit of Earth around the Sun
A 15-?F capacitor and a 25-?F capacitor are connected in parallel, and charged to a potential difference of 60 V. How much energy is then stored in this capacitor combination?
a. 50 mJ b. 18 mJ c. 32 mJ d. 72 mJ e. 45 mJ
If gravity between the Sun and Earth suddenly vanished, Earth would move in
A) a curved path. B) an outward spiral path. C) an inward spiral path. D) a straight-line path.
The protective shells that many sea organisms grow are not minerals because they
A) are not calcium carbonate. B) are organic. C) are made of ooze. D) become compacted.