If a feather and a brick are both dropped from the same height at the same time in the classroom
A. both experience the same acceleration due to gravity
B. the net acceleration of both is the same
C. the net acceleration of the feather is greater
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A. both experience the same acceleration due to gravity
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What is the major difference between asteroids and comets?
A) Asteroids are rocky and comets are icy. B) Asteroids are low in density and comets are high in density. C) Asteroids never have tails and comets always have tails. D) Asteroids are smaller than comets. E) Asteroids are larger than comets.
The parallax shift of a star would be greater if viewed from Mars than from Earth
Indicate whether the statement is true or false
A very long nonconducting cylinder of diameter 10.0 cm carries charge distributed uniformly over its surface. Each meter of length carries +5.50 µC of charge
A proton is released from rest just outside the surface. How far will it be from the SURFACE of the cylinder when its speed has reached 2550 km/s? (k = 1/4??0 = 8.99 × 109 N ? m2/C2, e = 1.60 × 10-19 C, mproton = 1.67 x 10-27 kg)
The conversion of solar radiation into chemical energy by plants that releases oxygen is called
A) plant succession. B) photosynthesis. C) dendrochronology. D) deforestation. E) podzolization.