light travels through a vacuum of speed of 2.99×10n . determine speed of light in diamond with n=2.419​

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?

The gravitational force between pluto and charon is 3.61 × 1018 n. pluto has a mass of 1.3 × 1022 kg, which is only slightly greater than charon’s mass of 1.6 × 1021 kg. how far apart are pluto and charon? 2.0 × 107 m 2.4 × 1012 m 3.8 × 1014 m 5.8 × 1024 m