The type of lens that spreads out parallel light is a

A bug flies at a velocity of 0.75 m/s into an oncoming breeze blowing at 0.25 m/s. What is the resultant velocity of the bug? A 0.0 M/S B0/25 M/S C 0.50 M/S D 1.0 M/S

telescopes on the earth suffer from the fact that the light coming from the stars has to pass through air or space

In which wavelength region (s) would we need to carry out observations in order to study the accretion disk around a white dwarf in a binary system?

Geographers call how phenomena are arranged in space

An oil film on top of water has one patch that is much thinner than the wavelength of visible light. The index of refraction of the oil is less than that of water.

The kinetic energy of an object depends on both the objects mass and velocity. a. True b. False

How does a walkie-talkie work and why do people still use them?

A 125-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope.

Jose wandered 4 kilometers at 2 kilometers per hour. How long did Jose wander?

What is the acceleration of a 10kg pushed by a 5n force