Name the planet which is nearest to sun

Mga halaman/punong ornamental na di namumulaklak

For which pair of objects would adding the same a

Aparticle is moving around in a circle and its position is given in polar coordinates as x = rcosθ, and y = rsinθ, where r is the radius of the circle, and θ is in radians. from these equations derive the equation for centripetal acceleration.