1) F = m.a
Here, F= 99N, a = 12.5 m/s^2
m = F/a
m = 99/12.5
m = 7.92 Kg
2) weight = mg
Here, m = 55 Kg, g = 9.8 m/s^2
W = 55*9.8 = 539 Newtons.
Explanation:
For any enthalpy change in a chemical reaction, (exothermic/endothermic), the activation energy must be reached so as to break the strong chemical bonds between the reactant molecules.
Answer:
ocean productivity largely refers to the production of organic matter by "phytoplankton"plants suspended in the ocean most which are single - celled
