if p=7i+3j+2k and q=4i+5j-3k. find the (i)cosine angle between p and q,(ii)magnitude of p,(iii)magnitude of q,(iv)the scaler product of p. q please show your solving thanks

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

Lightning is an example of what phenomenon? a release of a large amount of energyan absorption of a large amount of energya natural electric circuita natural electric current

Aparticle moves in a circle 1.50 m in radius . through what angle in radians does it rotate if it moves through an arc length of 2.50m? what is the angle in degrees?