#A
Mass=4.4kg
acceleration=-1.74m/s^2
Use newtons second law



#B
initial velocity=u
Final velocity=v=0
Acceleration=a=-1.74m/s^2
Time=t=1.27s





Answer:
It needs attractive force from the strong nuclear interaction to counter the electrostatic repulsion between the protons.
Explanation:
It has to counter
Answer:
6 m/s
Explanation:
used omni wavelength calculater