A student uses a magnet to move a 0.025kg metal ball. The magnet exerts a force of 5 N, which causes the ball the begin moving. What is the acceleration of the ball when is begins to move

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

Aperfume bottle is dropped in the corner of a room. the odor of the perfume can be detected on the other side of the room. which statement best describes this observation?