If critical mass is reached, it can cause:

A: electrons to split

B: a chain reaction

C: a fusion of uranium nuclei

D: krypton atoms to split into strontium and xenon

A hiker walks 1 km east, 2km north, 4 km east, then 6 km north. What is the distance and displacement of the hiker

Which is an example of a chemical reaction? A: paper folded into tiny pieces B: paper burned and turned into smoke C: paper soaked in water D: paper shredded and turned into pulp

The sun produces 3.826 x 1026 Joules of energy every second as it combines smaller hydrogen atoms into larger helium atoms.

How much force does it take to accelerate a 2,000-kg car at 4 m/s A. 19,600 N B ... 002 N C. 8,000 N D. 500 N

Mars has a mass of about 6.4 x 1023 kg, and its moon Phobos has a mass of about 9.6 x 1015 kg. If the magnitude of the gravitational force between the two bodies is 4.6 x1015 N, how far apart are Mars and Phobos?

Each of the objects above is composed of identical thin sticks of uniformly distributed mass 5.51 kg and length 0.737 m.

A rockets thruster provides a 300 N force to the right. Air resistance causes a 130 N to the left what is the net force?

Why do negative particles move more easily than positive particles in an atom?

What countries will see the solar eclipse?

Water is a compound. O A. True B. False