I’m pretty sure the immediate answer is 2. Using the equation 60N=(30kg)x2(whatever unit of measure) also it will change because if you change the mass or the Net Force, your going to have to redo the equation based on the new information.
(3) Gamma has the greatest penetration power. Alpha has low and both beta and positron have medium. Hope I helped :)
A) Na2S
b) AlF3
c) O2
d) C6H12O6
