A chunk of metal has a mass of 1 kg on Earth. If the same chunk were on the Moon its mass would be
A) less.
B) the same.
C) more.
Answer: B
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the highest temperature?
A. The molecule’s kinetic energy B. The molecule’s rotational energy C. The molecule’s vibrational energy
Two single charged ions moving perpendicularly to a uniform magnetic field (B = 0.40 T) with speeds of 5000 km/s follow circular paths that differ in diameter by 5.0 cm. What is the difference in the mass of these two ions?
A. 2.6 × 10?28 kg B. 6.4 × 10?28 kg C. 3.2 × 10?28 kg D. 5.1 × 10?28 kg E. 1.1 × 10?28 kg
Belt and zone circulation
a. occurs on Jupiter. b. occurs on Saturn c. is caused by rising and sinking gases. d. is more obvious on Jupiter than on Saturn. e. All the above
The Local Group is a _____
A) rich galaxy cluster B) poor galaxy cluster C) regular galaxy cluster D) spherical galaxy cluster