Determine the average atomic mass of each mixture of isotopes.
1. 80% 217|, 17% 126|, 3% 128|

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

Calculate the frequency of a wave in a spring toy. the wave has a speed of 1.1 meters per second and a wavelength of 0.1 meters. *