Which of the following is a characteristic of the sun's radiation? it cannot travel through air. it cannot travel through space. it is made up of rays of varying frequencies. it is made up of rays of the same wavelength.

Aregular polygon has angkes of size 150° each.how many side has the polygon

Determine the change in width a, height b, thickness t when a plate is subjected to the uniform distributed load and is made of material having modulus of elasticity e=230 gpa and poisson's ratio ν=1/3. given : a=400 mm and b= 300 mm also the uniformly distributed load in downward y direction of plate is 2 mn/m and in the positive x direction is 3 mn/m and t=20 mm

What are the north and south poles of a solenoid change with?