How does a material become a magnet?

Elements with low specific heat values have which characteristic?

Is gravity an external or internal force?

What is the law of inertia?

An 8.00 g bullet is fired into a 250 g block that is initially at rest at the edge of a 1 m high table. The bullet remains in the block, and after the impact the block lands 2.00 m from the bottom of the table.

What change of state occurs when snowflakes turn to liquid water?

What is a circuit, s resistance if 12v produces 2A of current?

Dinosaur fossils are too old to be reliably dated using carbon-14, which has a half-life of about 5730 years. Suppose we had a 68 million year old dinosaur fossil.

A power station delivers 510 kw of power at 12,000 v to a factory through wires of total resistance of 2.5 ω. how much less power is wasted if the electricity is delivered at 47,000 v rather than 12,000 v?

Two spaceships of mass 300,000 kg are 250 m apart. what is the force of gravity between them? (G = 6.67 times 10⁻¹¹ N*M²/kg²)

Air pressure is 1.0 · 105 N/m2, air density is 1.3 kg/m3, and the density of soft drinks is 1.0 · 103 kg/m3. If one blows carefully across the top of a straw sticking up 0.