What does it say about the application of Newtons second law of motion in football

When doing scientific research ,the sources used should be ?

Answer fast for brainliest! what type of image is formed by a refracting telescope? an enlarged, upside-down virtual image a reduced-size, right-side-up virtual image a reduced-size, right-side-up real image an enlarged, upside-down real image

An experiment was performed on a 2-kg block. forces of 5, 10 and 15 newtons respectively were applied to the block for 5 seconds. describe the difference in acceleration between the three trials. a) the final accelerations will all be the same. b) the final acceleration will triple between the first and third trial. c) the final acceleration will be cut by 1/3 from the first to third trial. d) the final acceleration will increase nine time between the first and third trial.