la rapidez de una particula que se mueve a lo largo del eje x varia con el tiempo de acuerdo con la expreion v=(15-3t2) m/s donde t esta en segundo. Calcula la aceleracion media en el imtervalo de t=0 s y t =2s

Asap time is ! best answer gets compose at least one well-developed paragraph on the following: define the term concurrent powers, and give an example of a concurrent power of government.

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

An atom that has gained or lost electrons is called an _