Question

please answer #3 and be careful of sig figs

wheel to stop? 2. A meterstick weighing 1.2 N is supported horizontally by two fulcra positioned at x1 = 30 cm and x2 = 90 cm. Assume that the stick's center of gravity is at its exact center (i.e., Xcg = 50 cm). Draw a diagram of the three forces acting on the meterstick. What are the magnitudes of the upward forces exerted by the two fulcra on the stick? 3. We learned that a column of mercury in a barometer is around 760 mm in height. We also learned that a water barometer would have to be over 10 m tall. What would be the height of a column of isopropyl alcohol if it were used in a barometer? The density of isopropyl alcohol 785 kg/m.

Answer 1

omster o g hipiga halaf CPI =P2) hulwaharlia parte hind 6x10² O 785 2 12.7388 m