Each of the following vectors is given in terms of its x and y components. Find the magnitude of each vector and the angle it makes with respect to the +x axis. Ax = -2, Ay = -7.Find the angle this vector makes with respect to the +x axis. Use value from -180∘∘ to +180 ∘∘. (Express your answer to two significant figures.)

think about the oscillation of the toy shown in the video. when the toy is at the highest point of its motion, its velocity is zero and its acceleration is negative.

spectral lines lyman is one set

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2