A speed boat increases its speed from 42m/s to 88m/s in a 4 seconds period. What is the acceleration during this period?

An example of technology is the a. addition of a side group to an organic molecule during synthesis. b. use of a new antibiotic to fight an infection. c. measurement of iron concentration in a water sample. d. study of atomic fusion reactions

Select all that apply. a beta particle: is electromagnetic energy is an electron has zero charge is emitted from the nucleus has a +2 charge has a -1 charge

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.