A sample contains 36g of a radioactive isotope. how much radioactive isotope remains in the sample after 3 half-lives

Describe three forces that are acting in the situation described below A factory worker carries a box of nails. His shoe slips on a patch of oil on the ground, and he drops the box. The box opens, and the nails all fall to the floor.

If one object is hot and another one cold, thermal energy A: Will move from the cold object to the hot one. B: Will move from the hot object to the cold one. C: Will move back and forth between the hot and cold objects. D: Will not move at all.

What is an advantage of being a single-celled organism

A 50-turn circular coil (radius = 15 cm) with a total resistance of 4.0 Ω is placed in a uniform magnetic field directed perpendicularly to the plane of the coil.

On January 1 1900 what was the temp of lake michigan

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