Consider a point on a bicycle tire that is momentarily in contact with the ground as the bicycle rolls across the ground with constant speed. The direction for the acceleration for this point at that moment is:
a. upward. c. forward. b. down toward the ground. d. at that moment the acceleration is zero.
A
You might also like to view...
The temperature of a protostar can reach 1,500 K but they are very hard to detect in visible wavelengths because of their low luminosity and because they are surrounded by dust.
Answer the following statement true (T) or false (F)
Which of the following is not involved in the formation of a rainbow?
a. interference b. dispersion c. internal reflection d. refraction
Use a layout grid to position page content that consistently appears on all pages.
Answer the following statement true (T) or false (F)
Strictly speaking, from the point of view of a person on the ground floor of a tall skyscraper, a person at the top ages
1) more slowly, 2) faster, 3) the same, and from the point of view of a person at the top of the skyscraper, the person at the ground level ages 4) more slowly. 5) faster. 6) the same.