072 pts Question 2
Suppose a 2.5 kg rock is dropped from a high bridge. If the rock is in free-
fall for 3.5 seconds before it impacts the ground, then what is the
momentum of the rock upon impact? This problem will require more than
one formula.

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

When a neutral charge, comes into contact with a positive charge they repel each other nothing happens the neutral charge becomes negative they attract each other

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?