Acar is moving with -8.5m/s what is it moving with a) speed b) velocity

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e