A block of wood is given a brief push and then allowed to slide [without further pushing] along a table top, slowing down as it moves toward the east. As the block slides,
A) its velocity is toward the west.
B) it has no acceleration.
C) its acceleration is toward the west.
D) its acceleration is toward the east.
E) the net force on it is zero.
C
You might also like to view...
Answer the following statement(s) true (T) or false (F)
Sunlight falling on a spaceship in a vacuum will cause the spaceship to become a bit positively charged.
Galaxy A is 300 Mpc from Galaxy B. Hubble's Law says that V=H0 x D. About how fast is Galaxy A receding from the perspective of Galaxy B? Use a value of 75 km/s/Mpc for Hubble's constant.
A. 225 km/s B. 30000 km/s C. 75 km/s D. 22500 km/s E. 15000 km/s
How does the interstellar medium affect our view of most of the galaxy?
A) It prevents us from seeing most of the galactic disk with visible and ultraviolet light. B) It absorbs all wavelengths of light. C) It produces so much visible light that it blocks our view of anything beyond it. D) It has no effect on visible-light observations, but prevents us from studying the galactic center with radio waves or X-rays.
William Herschel's attempt to map our Galaxy was based on ________ in different directions in space
Fill in the blank(s) with correct word