The specific heat of an ideal gas at constant pressure is greater than the specific heat of an ideal gas at constant volume because
a. work is done by a gas at constant pressure. b. work is done by a gas at constant volume. c. no work is done by a gas at constant pressure. d. the temperature remains constant for a gas at constant pressure. e. the temperature remains constant for a gas at constant volume.
A
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A 5.00-kg ball is hanging from a long but very light flexible wire when it is struck by a 1.50-kg stone traveling horizontally to the right at 12.0 m/s
The stone rebounds to the left with a speed of 8.50 m/s, and the ball swings to a maximum height h above its original level. The value of h is closest to A) 3.69 m. B) 0.0563 m. C) 1.93 m. D) 1.10 m. E) 2.20 m.
A baseball has mass 143 g and a speed of 45 m/s, with the speed known to within 0.10%
What is the minimum uncertainty in the position of the baseball? (h = 6.626 × 10-34 J ? s) A) 1.4 × 10-30 m B) 1.8 nm C) 1.4 × 10-32 m D) 1.6 × 10-32 m E) 1.6 × 10-30 m
Water that soaks into the soil and collects in the subsurface is called ______________
Fill in the blank(s) with correct word
The Moon is nearly tidally locked to the Earth, which means the Moon's rotation period is almost the same as its orbital period. If you were camped at the equator of the Moon, you would experience (approximately)
A) (14 × 24 ) hours of darkness followed by (14 × 24 ) hours of sunshine. B) 14 hours of darkness followed by 14 hours of sunshine. C) sunshine all the time, except when the Earth blocks the Sun. D) sunshine (day) all the time.