When is the Sun's right ascension (RA) 6 hours?

a. fall equinox

b. winter solstice

c. vernal equinox

d. summer solstice

What is the difference between magnetism and a magnetic field

Compare the geology of Callisto, Ganymede, and Titan.

A soccer ball kicked on a level field has an initial vertical velocity component of 15.0 meters per second. Assuming the ball lands at the same height from which it was kicked, what is the total time the ball is in the air?

A spring had a spring constant of 48N/m. The end of the spring hangs 8m above the ground. How much weight can be placed on the spring so that the end of the spring is 2m above the ground

What is the key difference between phagocytosis and pinocytosis? a. With phagocytosis, the engulfed substances are in particles; with pinocytosis the engulfed substances are in solution. b.

A thin rectangular piece of wood floats in water. You slowly pour oil with a density equal to that of the wood on the surface of the water until the height of the oil above the water is twice the height of the piece of wood.

Calculate the force between a 0.05 C charge and a 0.03 C charge 2 meters apart.

Why might a plant that normally grows in one environment not grow well in a different one?

The gun, mount, and train car of a railway had a total mass of 1.22 x 10^6 kg. The gun fired a projectile that was 80 cm in diameter and weighed 7502 kg. In the firing, the gun has been elevated 20 degrees above the horizontal.

What does it mean when the orange light comes on for the anti-lock break? If it stays on what problem could it cause?