two objects each weighing 2kg are lifted through the same distance in 4s and 1s respectively. which scenario requires more work?

How atomic number relates to the number of particles in an atom's nucleus

Why does a passenger jumping out of a rapidly moving bus fall forqard with his face downwards

What role does induction play when lightning strikes earth?

Which of the following accurately describes properties of valence? A. The greater the number of electrons an atom has to borrow or to lend, the greater the activity of the atom. B.

In a position time graph, a curved line represents: acceleration no movement constant velocity

Which represents a system that is almost completely closed?

If many household substances classify as acids or bases what is the ph scale

A protostar forms once the nebular cloud condenses and the core begins

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?