Nuclear fusion reaction is more reliable and sustainable source of energy than Nuclear Fission change reaction justify this statement with plausible arguments

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

Let v1, v2, w be three linearly independent vectors in r 3 . that is, they do not all lie on the same plane. for each of the following (infinite) set of vectors, carefully sketch it in r 3 , and determine whether or not it is a vector space (i.e., a subspace of r 3 ). explain your reasoning

What object a collides with object b and bounces back its final momentum is?