A probe in space continues in its motion due to
A) very low friction.
B) its own inertia.
C) it seeking a continued state of motion.
D) none of the above
Answer: B
You might also like to view...
Sunspots are hotter than the photosphere
Indicate whether the statement is true or false
An optical system comprises in turn, from left to right: an observer, a lens of focal length +30 cm, an erect object 20 mm high, and a convex mirror of radius 80 cm
The object is between the lens and the mirror, 20 cm from the lens and 50 cm from the mirror. The observer views the image that is formed first by reflection and then by refraction. What is the position of the final image, measured from the mirror? A) 90 cm B) 102 cm C) 114 cm D) 126 cm E) 138 cm
The thermal pressure in an object increases when the temperature increases, but the degeneracy pressure does not
Indicate whether the statement is true or false
A stone is thrown horizontally from the top of a tower at the same instant that a ball is dropped vertically. Which object is traveling faster when it hits the level ground below?
A) Neither, since both are traveling at the same speed. B) It is impossible to tell from the information given. C) the ball D) the stone