Answer:
Explanation:
Given
length of rope 
velocity while running 
when the person jumps off the bank and hang on the rope then we can treat the person as pendulum with Time period T which is given by
Greatest Possible distance will be covered when person reaches the other extreme end of assumed pendulum (velocity=zero)
therefore he must hang on for 0.5 T time
These are called neap tides!
Hope this helps :)
Answer: 
Explanation:
Kinetic Energy is the energy a particle, body or object possesses due to its movement and is mathematically defined as:
Where:
is the mass of the body
is the velocity of the body
So, if we want to calculate the kinetic energy 
of an object, we have to use the equation given above.
Answer:
2Mg + O2 = Reactant | 2MgO = Product
Explanation:
It is pretty simple, look:
The elements that are being added (or in the majority of the cases, the one who are in the left side) are always the Reactant.
The other side is the product of the reactants.
It is like a mathematic formula
We some the numbers to get the result, the numbers are the reactants and the result is the product.
(I hope you didn´t get confused)
