5. In Figure 1.9 a 22 300 kg jet aircraft lands on the deck of an aircraft carrier travelling at 252 km. h (70 mn. s) south. It catches one of the arresting cables
and is brought to rest over a distance of 100 m.
a) Give the direction of the net
force acting on the aircraft​

This is what i found on google “according to the collision theory, the following criteria must be met in order for a chemical reaction to occur: molecules must collide with sufficient energy, known as the activation energy, so that chemical bonds can break. molecules must collide with the proper orientation.” i hope this information you.

The correct answer is  "c".  it is "c" because melting is an endothermic change, and endothermic get's energy from surroundings. 

Newtons laws of motion