The work function of a metal is 1.98 ev. what is the threshold frequency of the metal in hz?

Abike rider starts from rest and accelerates 28.0 meters down a slope in 5.00 seconds. what is her acceleration? select one: a. 3.21 m/sec2 b. 1.75 m/sec2 c. 9.80 m/sec2 d. 2.24 m/sec2

What property of an object determines its inertia?

How can waves travel through ground?