Debbie removed the 5g of aluminium rivets and put 5g of iron nails into the cup.

the paper cup moved down more with the 5g of iron nails than with the aluminium rivets. give the reason for this.

(4 marks)

Why is alchemy not considered to be a science ?

Avalue that describes how heavy an object is and is related to the force of gravity is

When a vertical beam of light passes through a transparent medium, the rate at which its intensity i decreases is proportional to i(t), where t represents the thickness of the medium (in feet). in clear seawater, the intensity 3 feet below the surface is 25% of the initial intensity i0 of the incident beam. what is the intensity of the beam "10" feet below the surface? (give your answer in terms of i0. round any constants or coefficients to five decimal places.)