The NEAR spacecraft actually landed on the asteroid ________ in February 2001
A) Itokawa B) Vesta C) Eros D) Ida E) Ceres
C
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How much water at 20 degrees Celsius is needed to melt 500 grams of ice at 0 degree Celsius?
a. 500 grams b. 1000 grams c. 1500 grams d. 2000 grams
Olympus Mons is a
A) shield volcano on Mars. B) stratovolcano on Mercury. C) large lava plain on the Moon. D) shield volcano on Venus. E) stratovolcano on the Moon.
An old LP record that is originally rotating at 33.3 rad/s has a uniform angular acceleration of 2.15 rad/s2. Through what angle has the record turned when its angular speed reaches 72.0 rad/s?
A) 83.2 rad B) 316 rad C) 697 rad D) 66.8 rad E) 948 rad
Metric system: The wavelength of the light from a certain laser is 0.66 microns, where 1 micron = 1.0 × 10-6 m. What is this wavelength in nanometers? (1 nm = 10-9m)
A. 6.6 × 102 nm B. 6.6 × 103 nm C. 6.6 × 101 nm D. 6.6 × 104 nm