An object covers a distance of 8 meters in the first second of travel, another 8 meters during the next second, and 8 meters again during the third second. Its acceleration is
A) 0 m/s2.
B) 5 m/s2.
C) 8 m/s2.
D) 24 m/s2.
Answer: A
You might also like to view...
A light ray bends when it goes from one medium to another because of diffraction
Indicate whether the statement is true or false
The precipitation of and crystallization of evaporite minerals is very similar to the crystallization of minerals from a magma. The first evaporite minerals to precipitate (crystallize) are those with the
A) lowest solubility. B) highest melting point. C) lowest silica content. D) highest solubility.
The fact that many of the larger Jovian moons orbit nearly in the equatorial plane of their host world, moving in the same direction as their planet's spin, suggest that they
A) formed from a rotating disk of gas and dust like a miniature solar system B) were spun out from the rapidly spinning host world as it formed C) formed elsewhere in the solar system and were later captured D) were formed from a giant impact between the host world and another body
A proton and an electron are both accelerated to the same final kinetic energy. If ?p is the de Broglie wavelength of the proton and ?e is the de Broglie wavelength of the electron, then
A) ?p = ?e. B) ?p > ?e. C) ?p < ?e.