Wave a has a wavelength of 2 meters and a frequency of 1.5 hz . calculate the wave's speed
wave b has a frequency of 18 hz in the same medium. what's wave b's speed?
calculate wave b's wavelength.
so as f increases in the same medium, wavelength

If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10

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

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.