Lightning is formed when clouds

Select the correct answer Which types of orbitals are found in the principal energy level n = 3? A. S, d B. s, p, d C. SP D. s, p, f E. S, d,

A particle is moving along a straight line such that when it is at the origin it has a velocity of 8 m/s.

Which of the following gases are the heaviest? O2, CH4, CO2, Cl2

Two 100 kg bumper cars are moving toward each other in opposite directions. Car A is moving at 8 m/s and Car B at - 10 m/s when they collide head-on.

The hottest climates on Earth are located near the Equator because this region 1 is usually closest to the Sun 2 reflects the greatest amount of sunlight 3 receives the most hours of daylight 4 receives the most direct sunlight

In order for a boat to float, its weight must have a magnitude equal to the

Define the wavelength and frequency of a wave and explain how they are related.

An unstretched spring has a length of 10. centimeters. When the spring is stretched by a force of 16 newtons, its length is increased to 18 centimeters. What is the spring constant of this spring? A) 2.0 N/cm B) 1.6 N/cm C) 0.89 N/cm D) 1.8 N/m

An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that any person inside is held up against the wall when the floor drops away Fig. below).

Polarized light consists of waves that vibrate in one direction only.