Which light consists of all the colors of the visible light

spectrum?

Which of these is a covalent bond. a. LiCl b. Alcl3 c. Na2S d. NO2

A spotlight shines on an area 20.0 m away with an illumination of 25.0 Ix. What is the luminous flux emitted by the spotlight? * Answers - 15,400 lm - 6,280 lm - 126,000 lm - 102,000 Im

Which of the following would reduce the resistance of a metal wire? a. increasing its thickness b. increasing its temperature c. increasing its length d.

What did they call the bug that the astronauts brought back from the moon?

A car is traveling at 60km/h, heading east. This describes the car's?

The term that describes the time when the sun's are directly over the equator is:

A submarine can detect an approaching enemy submarine using sonar. If a stationary submerged submarine emits a 100kHz tone and receives a tone Doppler shifted by 200Hz, calculate the speed of the enemy submarine if the speed of sound in salt water

The planet Krypton has a mass of 7.6 * 1023 kg and radius of 1.7 * 106 m. What is the acceleration of an object in free fall near the surface of Krypton? The gravitational constant is 6.6726 * 10-11 N · m2 / kg2. Answer in units of m/s 2.

An input force of 50. newtons is applied through a distance of 10. meters to a machine with a mechanical advantage of 3.

Ask Your Teacher In a choir practice room, two parallel walls are 4.00 m apart. The singers stand against the north wall. The organist faces the south wall, sitting 0.680 m away from it. To enable her to see the choir, a flat mirror 0.