What is the name of this specific silicon isotope

The earth's radius is about 4000 miles. kampala, the capital of uganda, and singapore are both nearly on the equator. the distance between them is 5000 miles. the flight from kampala to singapore takes 9.0 hours.

A steel ball and a wooden ball of the same diameter are released together from the top of a tower. In the absence of air resistance they both would reach the ground at the same time. The reason for this is that the force on each ball is the same.

When approaching a vehicle that does not dim their headlights you can: blink your high beams once leave on your high beams until they adjust their headlights stay to the center yellow line?

The ancient Greeks believed Earth was at the center of the universe. True or False?

When does radioactivity decay occur?

An object travels 8 meters in the first second of travel, 8 meters again during the second second of travel, and 8 meters again during the third second. Its acceleration is A. 0 m/s^2 B. 8 m/s^2 C. 16 m/s^2 D. 32 m/s^2

Why does life be life

How are hypotheses and theories related to each other?

During the refrigeration cycle, what does the refrigerant do? Absorbs and releases thermal energy by first vaporizing then condensing. Absorbs and releases thermal energy by first condensing then vaporizing.

Find the unbalanced force required to accelerate a 6kg mass at 3ms