32. A container has water. If the water level is 0.5 m and water density is 10³kg/m³, the pressure at the bottom of the container is (a) 4.9 kPa (b) 3.2 kPa

Test I. Multiple Choices. Directions: Read each statement carefully and encircle the letter of your answer. 1. What will be the electric potential at the center if the square? a. Zero b. 4k 9 c. 8 9 2k d. 4 2k9 r 2. What will be the electric potential at the center of the square if two charges at the top are replaced with negative charges? a. Zero b. 4k 9 8 2k с. d. 4 2k Açeb For nos. 4-8 refer to the diagram at the right +5 V -5 V 3. If the quadrupled, how would the electric potential energy change? a. Doubled b. Halved distance between two charges is B c. Quadrupled d. Quartered 4. What is the direction of the electric field at point +10 V OV -10 V B? a. Upward b. Downward c. Right d. Left 5. What is the direction of the electric field at point A? a. Upward b. Downward c. Right d. Left

4, The hardness of ten steel samples was measured and the results were as follows. Sample 1 2 3 4 5 6 7 8 9 10 Hardness 90 92 95 91 98 102 97 92 95 99 Calculate the mean, median, mode, standard deviation and variance.