A 25 g pickleball traveling horizontally at 15 m/s strikes a student squarely on the forehead and bounces away in the opposite direction with a speed of 13 m/s. If the duration of the bounce is 0.015 s, calculate the magnitude of the average force the forehead exerts on the ball. Show your work.

i think it because equal matrices have equal dimensions, only square matrices can be symmetric. for all indices and . every square diagonal matrix is symmetric, since all off-diagonal elements are zero. in linear algebra, a real symmetric matrix represents a self-adjoint operator over a real inner product space.

technology is the collection of techniques, skills, methods, and processes used in the the merriam-webster learner's dictionary offers a definition of the term: "the use of moreover, these technologies have become so complex that entire fields more recently, modern works of science fiction such as those by philip k.

explanation:

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.