Which of these wins the prize as the blandest appearing planet as revealed visually by space probes?
a. Jupiter
b. Saturn
c. Uranus
d. Neptune
c
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A 3.0-kg block slides on a rough horizontal surface. A force of 8.0 N acting parallel to the surface is applied to the block. The coefficient of kinetic friction between the block and the surface is 0.15. What is the magnitude of the block's acceleration?
A. 1.9 m/s2 B. 1.2 m/s2 C. 2.3 m/s2 D. 1.5 m/s2 E. 2.9 m/s2
The objective lens of a refracting telescope has a focal length of 60 cm and the eyepiece a focal length of 8.0 cm. What is the angular magnification of the telescope?
A) 34 B) 480 C) 68 D) 0 E) 7.5
The processes which produced Ganymede's groove terrain are on-going, according to the latest Galileo images
Indicate whether the statement is true or false
The scientific consensus regarding the age of Earth is that
A) there is insufficient data to determine Earth's age. B) Earth is about 5 billion years old. C) Earth is about 100 billion years old. D) Earth is about 5 million years old. E) Earth is about 5 thousand years old.