A toy car of mass 1 kg moves at 2 m/s. If a 7 N force is applied for 1.9 seconds, what is the cars final velocity. NEED HELP ASAP WILL GIVE BRAINLIEST. PLEASE ANSWER ASAP

Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j

In one or two sentences, describe how you did in the balancing game. in a few more sentences, explain one strategy you learned for balancing more complex equations.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?