Which of the following numbers has 4 significant figures; which has 5 significant figures? (a) 3001 (b) 0.00370 (c) 4774.00 (d) 29.290
What will be an ideal response?
Question 2
A 10.0-g bouncy ball is confined in a 8.3-cm-long box (an infinite well).
If we model the ball as a point particle, what is the minimum kinetic energy of the ball? (h = 6.626 10-34 J s)
A) 8.0 10-64 J
B) 3.2 10-46 J
C) 1.3 10-20 J
D) zero