why it is impossible to travel larger than speed of light
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it is because as the speed of a body increases, its mass also increases according to the relation-
m=m°/(1-v^2/c^2)^1/2
where m is kinetic mass and m° is rest mass of the body. when velocity v of the body becomes equal to c, then the mass becomes infinite. therefore to accelerate it (ie. increase its velocity beyond c), infinite force (f=ma) must be applied which is not possible. hence a body cant be accelerated to a velocity beyond c
m=m°/(1-v^2/c^2)^1/2
where m is kinetic mass and m° is rest mass of the body. when velocity v of the body becomes equal to c, then the mass becomes infinite. therefore to accelerate it (ie. increase its velocity beyond c), infinite force (f=ma) must be applied which is not possible. hence a body cant be accelerated to a velocity beyond c
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