Author Question: Francium-223 decays to radium-223 by emitting what kind of nuclear radiation? A) Alpha B) ... (Read 92 times)

TVarnum · **on:** Jul 29, 2018

Francium-223 decays to radium-223 by emitting what kind of nuclear radiation?

A)

Alpha
B)

Beta minus
C)

Beta plus
D)

Gamma
E)

X-rays.

Question 2

A 6.00-kg block starts from rest and slides down a frictionless incline. When the block has slid a distance 2.00 m, its speed is 3.00 m/s. At what angle above horizontal is the inclined plane tilted?

A)

6.58

B)

27.3

C)

8.80

D)

5.26

E)

13.3