Why do spiral galaxies appear blue in color?

Suppose a 58-turn coil lies in the plane of the page in a uniform magnetic field that is directed out of the page. The coil originally has an area of 0.175 m2. It is stretched to have no area in 0.100 s.

Which of the following planets is the outermost of the four inner terrestrial planets? Earth Venus Mercury Mars

What alignment of the moon, the sun, and the earth causes a spring tide

A tow truck pulls a 1500 kilogram car wit a net force of 4000 Newtons. What's the acceleration?

A CD case slides along a floor in the positive direction of an x axis while an applied force a acts on it. The force is directed along the x axis and has the x component Fax = 12x - 3x2, with x in meters and Fax in newtons.

In a reaction with water, a base will accept a proton from the water; therefore, the water must be acting as an acid. True or False

What are the three properties of gravity

How do matter and energy interact?

What is something that has a lot of thermal energy?

Why do we use a shunt on the galvanometer