A substance has a density of 7.9 g/cm3. It does not dissolve in water. It melts near 1500 degrees celsius. It is probably __

The most important difference between a wedge and an inclined plane is a. their size b. their shape c. how they are used d. what they are made of

Increasing the pressure on one spot of a fluid will increase the pressure everywhere else in the fluid a. pascals principal b. archimedes' principal c. bernoulli's principal

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?