What is the electric force acting between two charges of -0.0080 C and 0.0050 C that are 0.035 m apart? Use F and k = 9.00 x 10° N•m/c2.
k9,92
A. -1.0 x 10' N
B. 2.9 x 108 N
C. 1.0 x 10' N
D. -2.9 x 108 N

If a tank filled with water contains a block and the height of the water above point a within the block is 0.8 meter, what is the pressure at point a?

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

Avolcano erupts next to a grassland area in a valley. a. describe three ways in which material released by the volcano could impact the grassland area. b. describe three ways in which the grassland ecosystem could recover after a volcanic eruption.