A copper calorimeter weighing 40g contains 200g of water at 30 degree celuis.20g of dry ice is added to the water and this reduces the temperature to 25 degree celcuis after all the ice has melted.what volume of the specific latent heat of fussion of ice is given by this experiment.take c(water)=4200jkg/k and c(calorimeter)=400jkg/k?
My school my date of birth in jamb is 1995 and I get admission in 2019 and my course is five year course and the nysc 30year below will serve, so is there any way to reduce my date of birth from jamb before I graduate?
what is the resistivity of a cylindral material wire whose 2m length has a resistance of 3. the diameter of the wire is 1mm?
a gramophone record takes 5s to reach it’s constant angular velocity of 4 pie rads from rest.find it’s constant angular acceleration.?