Which of the following Pluto observations did not help convince scientists to change Pluto's status from that of a planet?
A) discovery of the Kuiper Belt
B) discovery of seasonal atmosphere, similar to comets
C) discovery of large Kuiper Belt Objects
D) discovery of Pluto's 5 moons
D
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You push downward on a box at an angle 25° below the horizontal with a force of 750 N. If the box is on a flat horizontal surface for which the coefficient of static friction with the box is 0.76,
what is the mass of the heaviest box you will be able to move? A) 59 kg B) 68 kg C) 54 kg D) 82 kg
Parallel light incident on a positive lens will ________ as it emerges.
Fill in the blank(s) with the appropriate word(s).
During the 7-3/8 days between the new and first-quarter phases, the Moon is called a(n) ______________ moon
Fill in the blank(s) with correct word
The coefficient of linear expansion of copper is 17 × 10-6 K-1. A block of copper 30 cm wide, 45 cm long, and 10 cm thick is heated from 0°C to 100°C What is the change in the volume of the block?
A) 2.3 × 10-5 m3 B) 6.9 × 10-5 m3 C) 5.2 × 10-5 m3 D) 4.6 × 10-5 m3 E) 14 × 10-5 m3