A 2 kilogram bowling ball is 2.5 meters off the ground on a post when it falls just before it reaches the ground it is traveling
1 answer:
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Answer:
0.544 eV
Explanation:
To ionize the hydrogen atom
So the required energy is as
So
We have to calculate the energy required to ionize hydrogen atom when it is in n=5
So the energy should be less than
Answer:
Explanation:
t = Time taken
u = Initial velocity
v = Final velocity
s = Displacement
a = Acceleration
m = Mass of bullet =
r = Radius of barrel =
Pressure is given by
The pressure of the expanding gas is