The Stanford Linear Accelerator (SLAC) is 3.2 km long and can accelerate electrons up to 50 GeV. Assume the electrons experience
a constant force during the acceleration. What fraction of the energy used to accelerate an electron is lost to radiation?
1 answer:
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Answer:
Resistivity
It depends upon cross sectional area and length of material
Explanation:
The resistance of any material is given by , here
is the resistivity of material , l is length of material and A is cross sectional area
So resistivity
So resistuivity of any material depends upon area of cross section and length of material
If cross sectional area will be more then resistivity will be more. And is length of the material will be more then resistivity will be less
let the distance of pillar is "r" from one end of the slab
So here net torque must be balance with respect to pillar to be in balanced state
So here we will have
here we know that
mg = 19600 N
Mg = 400,000 N
L = 20 m
from above equation we have
so pillar is at distance 10.098 m from one end of the slab