If the density of a liquid is 20g/cm, height is 4cm and gravitational field strength is 10 N / kg… the pressure of the liquid is A. 0.8 Pa
B. 0.5 Pa
C. 8000 Pa
D. 2 Pa​

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a.sample absorbance at 315nm a 0.45 b 0.80

Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class