Aperson standing on a canoe throws a cement block over the side. the action force on the cement block is 60 n. the reaction force is on the person and canoe. their total mass is 100 kg. what is their acceleration?

Name the element in group 17, period 2. (periodic table)

Ill give brainiestif one neutron initiates a fission event that produces two neutrons in the products, how many new reactions can now be initiated? if each of the neutrons produced in the first fission event then initiates a fission event that produces one neutron in the products, how many new reactions can now be initiated by each neutron? how many neutrons in total were produced by the two fission events described?

How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)