If you take a bar magnet with both n & s poles and cut it in half, you get

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

What is the temperature in degrees celsius of a substance with a tempature of 49k

Aplayground slide is 8.80 ft long and makes an angle of 25.0° with the horizontal. a 63.0-kg child, initially at the top, slides all the way down to the bottom of the slide. (a) choosing the bottom of the slide as the reference configuration, what is the system's potential energy when the child is at the top and at the bottom of the slide? what is the change in potential energy as the child slides from the top to the bottom of the slide? (include the sign of the value in your answer.)