The force exerted by each team is 30 N. The forces are in the direction opposite to each other.
Force exerted by team 1, 
Force exerted by team 2,
Net force, 
Therefore, net force on the rope is 0 N.
If you mean what types of measurements are used to measure in outer space, I believe it’s light-year, astronomical unit and intergalactic measurements, but I’m not completely sure.
Hopefully this helps...
66 g of element Y is needed since the ratio between element X and element Y is 1:2
By calculating the crests, you can find the waves' frequency.
Hope this helps!
in the case of beryllium, a light metal, only the beryllium-9 isotope is stable with its 9 nucleons (i.e. 4 protons and 5 neutrons)
Hope this helps so sorry if it does not help
