Answer:
The basic construction, unchanged since Torricelli's experiment in 1643, is a glass tube about three feet long, closed at one end, filled with mercury, and inverted with the open end immersed in a cistern of mercury.
F = ma
F/a = m
(25 N) / (5 m/s2) = m
4 kg = m
The moons belong to the following planets in the following order:
1. Callisto ==> Jupiter
2. Deimos ==> Mars
3. Europa ==> Jupiter
4. Ganymede ==>Jupiter
5. Triton ==> Neptune
6. Titan ==> Saturn
7. Phobos ==> Mars
8. Io ==> Jupiter
Hope that helped =)
The answer is 350. the formula for net force is f=ma which means you multiply the mass times he acceleration. 100 times 3.5 is 350