Where does the initial source of come from that creates winds? A - The Moon
B - The Earth’s Surface
C - The Sun
D - The rotation of Earth

Determine the maximum r-value of the polar equation r =3+3 cos 0

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

What does si stand for,when referring to a system of measurement