A5ml solution of ^{131}i was assyaed to be 3.7gbq at 09: 00 am wednesday 1^{st} june 2011. an activity of 800mbq is required for administration to a patient at 09: 00 am on monday 6^{th} june 2011. what volume of this ^{131}i solution is required for administration
b) estimate the weight of ^{131}i in 800mbq administerd solution
addtional information
^{131}i physical half life = 8 days, avigadros comsatnt=6\times 10^{23}mol^{-1}

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?