Water began condensing around 1 A.U. from the Sun, which is why Earth has so much water and Venus has almost none
Indicate whether the statement is true or false
FALSE
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A stone is held at a height h above the ground. A second stone with four times the mass of the first one is held at the same height
The gravitational potential energy of the second stone-Earth system compared to that of the first stone-Earth system is A) one-fourth as much. B) one-half as much. C) twice as much. D) four times as much. E) the same.
The lens in your eye and the cornea both contribute to image formation
a. True b. False Indicate whether the statement is true or false
In a series circuit containing a resistor and an inductor connected to an ideal dc source and a switch, the inductor gets 40% of its maximum current 1.8 s after the switch is closed. What is the time constant of this circuit?
A) 2.5 s B) 0.80 s C) 5.5 s D) 3.5 s E) 1.5 s
Plane waves of ultrasound, f = 51.0 kHz, impinge on a flat plane with a 1.00 cm-wide slit. What is the total angular width (2q) of diffracted sound waves when the speed of sound in air is 340 m/sec
a. 167° b. 83.6° c. 19.5° d. 41.8° e. 0.11°