The fact that more radioactive particles are spewed from ...

[javeds]

The fact that more radioactive particles are spewed from coal-fired power plants than nuclear fission reactors is evidence that
 
  A) coal is more radioactive than uranium.
  B) coal-fired plants have less shielding.
  C) coal-fired plants are more numerous.
  D) all of the above
  E) none of the above

Question 2

A force on a particle depends on position such that F(x) = (3.00 N/m2)x2 + (6.00 N/m)x for a particle constrained to move along the x-axis. What work is done by this force on a particle that moves from x = 0.00 m to x = 2.00 m?
 
  A) 10.0 J
  B) 20.0 J
  C) -48.0 J
  D) 24.0 J
  E) 48.0 J

[iceage]

Answer to Question 1

Answer: B

Answer to Question 2

B

[javeds]

Excellent

[daiying98]

Gracias!