What surprising discovery did the New Horizons spacecraft make during its 2015 flyby of Pluto?
A) Pluto has the largest known volcano in the solar system.
B) Pluto's surface consists mostly of rocky material.
C) Pluto's surface shows signs of very recent geological activity.
D) Pluto is an escaped moon of Neptune.
E) all of the above
C) Pluto's surface shows signs of very recent geological activity.
You might also like to view...
An air-core inductor has 920 turns/m and an internal volume of 3.0 cm3 . What is its inductance?
a. 3.2 ?H b. 2.8 mH c. 0.35 H d. 32 ?H e. Insufficient information is given.
The volume coefficient of thermal expansion for gasoline is 950 × 10-6 K-1. By how many cubic centimeters does the volume of 1.00 L of gasoline change when the temperature rises from 30°C to 50°C?
A) 6.0 cm3 B) 12 cm3 C) 19 cm3 D) 37 cm3
In 2.0 s, a particle moving with constant acceleration along the x axis goes from x = 10 m to x = 50 m. The velocity at the end of this time interval is 10 m/s. What is the acceleration of the particle?
a. +15 m/s2 b. +20 m/s2 c. ?20 m/s2 d. ?10 m/s2 e. ?15 m/s2
A monochromatic (single frequency, single wavelength) light ray in air (n = 1) enters a glass prism (n = 1.5). In the glass prism
a. both the frequency and the wavelength are the same as in air b. the frequency is the same, but the wavelength is greater than in air. c. the frequency is the same, but the wavelength is smaller than in air. d. the wavelength is the same, but the frequency is greater than in air. e. the wavelength is the same, but the frequency is smaller than in air.