A roller coaster car is near the bonom of its tracks shown in Figure 3. At this point, the normal force
on the roller coaster is 3.5 times its weight. The speed
of the roller coaster is 26 m/s. Determine the radius of the tracks curvature

Which statement about covalent bonds is true

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Most of the volume of an atom is occupied by the