Author Question: A race car, traveling at a constant speed of 50. m/s, drives around a circular track of radius 250. ... (Read 160 times)

Coya19@aol.com · **on:** Jul 27, 2018

A race car, traveling at a constant speed of 50. m/s, drives around a circular track of radius 250. m. What magnitude acceleration does it experience?

A) 1.0 m/s2
B) zero
C) 10. m/s2
D) 0.63 km/s2
E) 2.2 m/s2

Question 2

If two or more sources of light are to show interference patterns, they must be coherent.

Indicate whether the statement is true or false