Kerosene was commonly used in lamps because it burns easily.

Identify which stage marks the birth of a star

An endothermic reaction is one the uses which form of energy

When a soccer ball is headed from one player #1 to player #2 across the soccer field, what is the projectile

Why will many of the very large telescopes of the future make use of multiple mirrors?

A potential difference of 0.750 V is needed to provide a large current for arc welding. If the potential difference across the primary of a step-down transformer 117.

How long did it take to reload a rifle during the 18th 19 century?

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.

A baseball with a mass of 0.8 kg is given an acceleration of 20m/s. how much force was applied to the ball

Stephen can push with 200N of force on a couch. If the couch has a mass of 20 kg, how much acceleration will the couch have?

Which devices might use electromagnets? pick all that apply. 1. audio speakers 2. plastic combs 3. trains 4. doorbells 5. revolving chairs 6. cranes