Is there an atom within an atom?

Explain why glass prisms disperse light.

Two objects one of m=20,000kg and another of 12,500kg, are placed at a distance of 5 meters apart. What is the force of gravitation between these two objects

Did Kepler propose the modern model of the solar system?

A severe thunderstorm dumped 2.0 in of rain in 30 min on a town of area 22 km2. what mass of water fell on the town? one cubic meter of water has a mass of 103 kg.

In useful fusion, smaller nuclei fuse together into larger nuclei and also produce : black hole entropy energy from vacuum fluctuations energy from excess mass free quarks

How does gravity relate to a streams ability to a erode and deposit materials

When Sr and F combine to form a compound, which atom (s) will become an anion?/ a Sr only b F only / c both Sr and F d neither Sr nor F

A bomb initially at rest on a smooth, horizontal surface is exploded into three pieces. Two pieces fly off at 90o to each other, a 2.0 kg piece at 20 m/s and a 3.0 kg piece at 12 m/s. The third piece flies off at 30 m/s.

Hubble measured the velocity of the movement of galaxies by using

Force is measured in newtons. A newton is based on base units in the metric system. What is a newton equal to in terms of units of mass and acceleration