Tutankhamen's gold coffin weighs 250 pounds. What is the mass of the coffin in kilograms?
A) 110 kg
B) 550 kg
C) 130 kg
D) 95 kg
E) 11 kg
A
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A racecar driver steps on the gas, changing his speed from 10 m/s to 30 m/s in 4 seconds. The acceleration of the racecar is _________
Fill in the blank(s) with correct word
Which planet did Galileo observe go through a complete set of phases, thus proving the Ptolemaic model wrong?
a. Saturn b. Jupiter c. Mars d. Venus e. Mercury
Thin Lenses: If a object is placed between a convex lens and its focal point, the image formed is
A. virtual and upright. B. virtual and inverted. C. real and upright. D. real and inverted.