A light with a second-order bright band forms a diffraction angle of 30.0°. The diffraction grating has 250.0 lines per mm. The wavelength of the light is nm.

People can be bad and good nobody perfect instead of the lord. The lord will bring you a boyfriend that will last years good years to. If it doesnt last that long then you havent waited for the lord to give you a present.

When an acid reacts with water, the hydroxide ion is formed. True False

What was george washingtons favorite game?

A 1.5-kg object moves up the y-axis at a constant speed. When it reaches the origin, the forces at 37° above the in the at 45° below the and in the are applied to it.

Melting boiling and bending are considered physical change but burning is a chemical change explain why this is so

Why is the use of carbon-14 limited

Why do cell sometimes need to use active transport?

Why is carbon and nitrogen important?

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3. What is the kinetic energy of a 1300 kg car moving at 26.3 m/s?