Which of the following best describes all magnets found in nature?

O

They have only one pole.

O

They have two poles.

O

They are made of iron.

O

They are made of nickel.

When doing numerical calculations involving temperature, you need to pay particular attention to the temperature scale you are using. in general, you should use the kelvin scale (for which t=0 represents absolute zero in such calculations.

Why do many species that existed 35 million years ago no longer exist

Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?

A car requires 1x10^8J of energy to drive 30km. calculate how many kilometers you could hypothetically drive using the energy contained in the rest mass of 100mg of fuel.

How many additional valence electrons does fluorine need to have a full valence shell? A. One B. Two C. Eight D. Seven

A tennis ball may leave the racket of a top player on the serve with a speed of 60.0 m/s. If the ball's mass is 0.0600 kg and it is in contact with the racket for 0.

Cells are known as the foundation of all life. How have these small structures changed our planet?

What does it mean to dissolve something

Why is a neutral object attracted to a charged object?

The international space station revolves around earths surface. which of the following statement s is true? a. it has no energy because it is stationary b. it has potential energy, but does not have kinetic energy c.