Answer:
F = 5291.25 N
Explanation:
F = Ma so 1245 times 4.25^2 ,, that equals 5291.25 N
Answer:
Hydrogen reacts with oxygen to produce water, which releases energy.
Explanation:
In any fuel cell chemical bonds are formed and energy is released . It is a redox reaction . Bond energy is converted into electrical energy.
In the given option , first option is not possible because methane reacts with oxygen to give carbon dioxide and water .
third and fourth option are ruled out because chemical reactions are using energy . No energy is released . so they are not possible.
Divide the two numbers and you will get your answer <span />
9.8 ms^-2 is acceleration
A
The delta indicates a difference or change. such as delta y is the change in y position
