The sky, which was bright blue, is now dark. you look up expecting to see a halo of light in the sky. what just occurred?

(A. an aurora

(B. a solar eclipse

(C. a solar black out

(D. a lunar eclipse

Two hockey pucks with mass 0.1 kg slide across the ice and collide. Before the collision, puck 1 is going 13 m/s to the east and puck 2 is going 18 m/s to the west. After the collision, puck 1 is going 18 m/s to the west.

Which of the following directly contributed to soil erosion on the Great Plains in the 1930s? O railroads O heavy rains O farming O homesteading

A 5.80kΩ5.80kΩ resistor in a circuit has two mesh currents flowing through it. The first current measures 3.10mA3.10mA. The second current, flowing through the resistor in the opposite direction, measures 1.10mA1.10mA.

In which item is energy stored in the form of gravitational potential energy? a slice of bread a compressed spring an apple on a tree a stretched bow string

Psychoactive drugs interact with which alter a persons mood, perception and behavior

2. What was the role of women as industry increased? A. They gained the vote, B. They became industry leaders, e. They led the household D. They can for government office,

A 26-g steel-jacketed bullet is fired with a velocity of 630 m/s toward a steel plate and ricochets along path CD with a velocity 500 m/s.

A small boat is carrying four people across a river. Without any paddling, the boat moves downstream at a steady speed of 5 m/s. If the average weight of the four people is 60 kg, then what is the speed of the boat after one person gets?

Does temperature affect the dissolving phase?

In a clear, coherent, paragraph-length answer, explain why the speed of the apple half way between the release and the maximum height is not half the initial speed.