A system consists of electrons and protons only. It contains 284 protons and has a total charge of −51e. What is the mass of the system? me=9.11×10^−31kg, mp=1.673×10^−27kg.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?