Why do windows have two panes of glass separated by a layer of air

What is a group of the same type of organisms living in the same place at the same time

How does distance from the equator affect the climate of an area?

A forklift raises a 1020 N crate 3.50 m up to a shelf l. How much work is done by the forklift on the crate? The forklift does J work on the crate.

4 A pendulum of mass 200 g is pulled horizontally sideways by 30 cm. The length of the pendulum string is 50 cm. a Calculate the potential energy of the pendulum in this position. Assume g = 9.8 N/kg ? cm 50 cm 30 cm marks)

What forces act on a ball

If your traveling at 65 miles per hour, how many feet will you be traveling in one second?

Use a (t) = - 32 feet per second per second as the acceleration due to gravity. (Neglect air resistance.

Which planet has a tilted axis of rotation similar to that of Earth, which means it has seasons? Select one: a. Jupiter b. Uranus c. Mars d. Neptune

What is the efficiency of a device that gives you 10 units of useful energy for every 100 units you put in it? A. 1 B. 0.5 What is the efficiency of a device that gives you 10 units of useful energy for every 100 units you put in it? A. 1 B. 0.5

Why do windows have two panes of glass separated by a layer of air