Physics Support Materials Higher Mechanics and Properties of Matter b A boy on a skateboard rides up a slope. The total mass of the boy and the skateb
{"Image DocumentName": "Physics Support Materials Higher Mechanics and Properties of Matter", "Image ImageDescription": "Newton\u2019s 2nd law, energy and power. 56. A boy on a skateboard rides up a slope. The total mass of the boy and the skateboard is 90 kg. He decelerates from 12 ms-1 to 2 ms-1 in 6 seconds. Calculate the resultant force acting on him. Click the mouse to continue.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}