Aparticular radioactive source produces 123 mrad of 1.56 mev gamma rays per hour at a distance of 1.63 m. a. how long could a person stand at this distance before accumulating an intolerable dose of 1.00 rem?
b. assuming the gamma radiation is emitted uniformly in all directions, at what distance would a person receive a dose of 12.3 mrad/hr from this source?

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

electrical potential energy =0.072 j

explanation:

electrical potential energy is given by

u= q δv

q= charge=6 c

δv= potential difference and is given by

δv= e d

e= electric field

d= distance=5 mm=0.005 m

δv=2.4 (0.005)=0.012 v

now electric potential energy= u= q δv

u=6 (0.012)

u=0.072 j