Calculate the increase in volume in an aluminium cube whose size is 10cm long when heated from 0 degree celcius to100 degree celcius ( cofficient of linear expansion of aluminium bar is 2.5 exponential -5 kelvin inverse

Ineed the answer to question 1 , i’m desperate

How to tell if a molecule is polar or nonpolar with electronegativity

An owl dives toward the ground with a constant velocity of 4.40 m/s at 53.0° below the horizontal. the sun is directly overhead and casts a shadow of the owl directly below it. what is the speed (in m/s) of its shadow on level ground?