What do astronomers mean when they say that the universe is isotropic?

Alkaline earth metals - 2 valence electrons

Is a hammer a rigid body

What is the elevation of Y and Z? Y=3250, Z=2950 Y=3200, Z=2900 Y=3250, Z=2900 Y=3000, Z=2850

Carla uses a table tennis ball and a volleyball to represent two astronomical bodies based on their sizes.

8. Which set of coefficients would correctly balance the equation? NaCl O Na + Cl2 A. 1,1,2 B. 1, 2,1 C. 2, 1, 2 D. 2, 2, 1

What is the rate at which work is done in lifting a 35 kg object vertically at a constant speed of 5 m/s? 1 1700 W 2 340 W 3 180 W 4 7.0 W

The owner of a window treatment company wants to design Shades that will cover the windows of the house.

What direction of magnetic field lines inside my magnet

A solid nonconducting sphere of radius r has a charge q uniformly distributed throughout its volume. a gaussian surface of radius r with r < r is used to calculate the magnitude of the electric field e at a distance r from the center of the sphere.

How do the properties of salt compare with the properties of sodium and chlorine