Answer:The potential energy is zero
Explanation:
Answer:
About 8 kpc
Explanation:
The milky way galaxy is the galaxy we live in. Its composed of the solar system, billion stars, gas, dust and dark matter.
At its center it contains a super massive black hole called Sagittarius. This object is millions of times as massive as the sun.
The sun is about 8 kpc to the center of the milky way galaxy, this is about 26,000 light years away.
1000 parsecs distance is approximately 3262 light years.
A light year is the distance light can travel in a period of 1 year.
Answer:
c. Can be used only with scanning
Explanation:
Coarse Adjustment Knob is a large knob on each side of the microscope, with a smaller knob in the middle. This large knob is used to bring an object into close focus as it moves the stage up or down. The coarse-adjustment knob is used ONLY with the scanning or low-power objective lenses.
