Author Question: If the speed of an object in circular motion is increased by a factor of 3, its centripetal ... (Read 78 times)

vHAUNG6011 · **on:** Jul 28, 2018

If the speed of an object in circular motion is increased by a factor of 3, its centripetal acceleration for the same radius will be multiplied by a factor of
a. 0.111.
b. 0.333.
c. 1.73.
d. 9.
e. 3.

Question 2

Increased reactant concentration usually leads to an increase in reaction rate, because collisions are
a. more violent only.
b. more frequent only.
c. both more violent and more frequent.
d. none of these