Galileo's demonstration at the Leaning Tower of Pisa

A) confirmed Aristotle's teachings.
B) refuted Aristotle's teachings.
C) failed in their purpose.
D) none of the above


Answer: B

Physics & Space Science

You might also like to view...

Power: The power rating of a 400-? resistor is 0.25 W. What is the maximum voltage you can safely connect across its ends?

A. 10 V B. 20 V C. 30 V D. 40 V E. 50 V

Physics & Space Science

Saturn is about 10 times as far from the Sun as Earth is (a = 10 AU, roughly). About how many times does Earth orbit the Sun in the time it takes Saturn to orbit just once? Remember P2 is proportional to a3.

A. 12 B. 0.5 C. 60 D. 32 E. 1

Physics & Space Science

If an x-ray beam of wavelength 1.4 × 10-10 m makes an angle of 20° with a set of planes in a crystal causing first order constructive interference, at what angle will the second order line appear?

A) 40° B) 20° C) 43° D) 4.0° E) 11°

Physics & Space Science

A 6.5-g iron meteor hits the earth at a speed of 295 m/s. If its kinetic energy is entirely converted to heat in the meteor, by how much will its temperature rise? The specific heat of iron is 113 cal/kg ? C°, and 1 cal = 4.186 J

A) 92.0 C° B) 57,100 C° C) 0.147 C° D) 384 C°

Physics & Space Science