Which is a set of valid quantum numbers? n = 4, l = 4, m = 4 n = 1, l = –2, m = 0 n = –1, l = 0, m = 0 n = 4, l = 3, m = 3

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

What is the measurement of how fast an object moves relative to a reference point?

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.