Why do scientists think that our solar system must have formed sometime after nearby supernovae explosions?

How do chemical and nuclear reactions differ? A. Chemical reactions involve conversions between matter and energy, while nuclear reactions do not. B. Nuclear reactions do not affect the nuclei of atoms, but chemical reactions do affect nuclei. C.

What are groups 1,2, and 3 examples of an periodic table?

The electric field between two parallel plates connected to a 30 v battery is 1350 v/m. how far apart are the plates?

Two two advantages and hazards of nuclear reaction.

An alarm clock draws 0.5 a of current when connected to a 120 volt circuit. calculate its resistance.

How much energy (in joules) is required to evaporate 0.0005 kg of liquid ammonia to vapor at the same temperature?

It is 5.5 km from your home to the physics lab. As part of your physical fitness program, you could run that distance at 10 km/h (which uses up energy at the rate of 700 W), or you could walk it leisurely at 3.0 km/h (which uses energy at 290 W).

The largest volcanic structures on venus are called:

a block with a mass of 3 kg is swung on a cord in a horizontal circle with a radius of 2m. the speed of the block is 6m/s^. the magnitude of the acceleration of the block is most nearly

A scientific theory becomes more widley accepted as it explains more and more?