The answer to this is
<span>A mass on a spring will oscillate vertically when it is lifted and released. The gravitational potential energy increases from a minimum at the lowest point to a maximum at the highest point. ... The total mechanical energy at those points is the sum of the elastic and gravitational potential energies.</span>
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Answer:
The average speed of an object is defined as the distance traveled divided by the time elapsed. Velocity is a vector quantity, and average velocity can be defined as the displacement divided by the time.
Answer:
Water leaves the holes with a speed of 2.65 m/sec
Explanation:
It is given internal diameter of garden hose = 2.9 cm
So internal radius 
Number of holes n = 24
Diameter of holes d = 0.36 cm
So radius of holes 
Velocity of water in hose 
According to continuity equation




Therefore water leaves the holes with a speed of 2.65 m/sec
The girls distance is 50 km in 2 hours.
The innermost shell of an atom is the shell corresponding to the principal quantum number of 1. Because the principal quantum number is 1, the angular quantum number and the magnetic quantum number of that shell must be 0. Therefore, only 2 electrons can possibly be in the innermost shell, one with spin up and the other with spin down.