The greater the change in speed, the less the light wave is reflected. true or false? explain.

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?