Answer:
Explanation:
We have given the rest mass of SPARTYON = 945 times of mass of electron
We know that mass of electron 
So mass of SPARTYON 
Speed of light 
According to Einstein equation energy is given by

Now according to planks's rule
Energy is given by
, here h is plank's constant 
So 
The answer is B because oil = blockage of air and it pressures the water to be density of 0.90
Answer:
Explanation:
As the sum of the two right directed forces match exactly the left directed force, the only unbalanced force, and thus the net force, is the upward 25 N force.
The first question would be A
The second would be either A or D