If your kinetic energy is different from your work input (either greater or less) throuroughly explain what caused this discrepe
1 answer:
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Answer:
<em>0.97c</em>
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Explanation:
From the relativistic equation for length contraction, we have
=
where
is the final length of the object
is the original length of the object before contraction
β =
where v is the speed of the object
c is the speed of light in free space = 3 x 10^8 m/s
The equation can be re-written as
/
=
For the length to contract to one-fourth of the proper length, then
/
= 1/4
substituting into the equation, we'll have
1/4 =
substituting for β, we'll have
1/4 =
squaring both side of the equation, we'll have
1/16 = 1 -
= 1 - 1/16
= 15/16
square root both sides of the equation, we have
v/c = 0.968
v = <em>0.97c</em>
Answer:
Explanation:
Given
Mass
Spring constant
Compression in the spring
When the mass leaves the spring, the elastic potential energy of spring is being converted into kinetic energy of mass i.e.
The kinetic energy of the mass is 1.102 J.