The identical 50-kg masses are held at the corners of an ...

[Mr3Hunna]

The identical 50-kg masses are held at the corners of an equilateral triangle, 30 cm on each side.
 
  If one of the masses is released, what is its initial acceleration, if the only forces acting on it are the gravitational forces due to the other two masses? A) 3.7  10-8 m/s2
  B) 2.5  10-8 m/s2
  C) 1.9  10-8 m/s2
  D) 4.2  10-8 m/s2
  E) 6.4  10-8 m/s2

Question 2

Electrical forces inside a nucleus contribute to nuclear
 
  A) stability.
  B) instability.
  C) both of these
  D) neither of these

[amcvicar]

Answer to Question 1

E

Answer to Question 2

Answer: B

[Mr3Hunna]

Gracias!

[Jossy]

Excellent