Newton's Second Law of Motion
{"Image DocumentName": "Newton\u2019s Second Law of Motion", "Image ImageDescription": "CHECK YOUR ANSWER. At one instant an object in free fall has a speed of 40 m/s. Its speed one second later is. A. also 40 m/s. 45 m/s. 50 m/s. none of the above. Explanation: We assume the object is falling downward. C. 50 m/s.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}