Class Management | Help 9.1 Newton's 2nd Law (part 1) Begin Date: 9/29/2023 12:01:00 AM -- Due Date: 10/4/2023 11:59:00 PM End Date: 10/11/2023 11:59:00 PM (25%) Problem 3: Suppose two children push horizontally, but in exactly opposite directions, on a third child in a sled. The first child exerts a force of 79 N, the second a force of 94 N, kinetic friction is 7.5 N, and the mass of the third child plus sled is 21.5 kg. A Using a coordinate system where the second child is pushing in the positive direction, calculate the acceleration in m/s2. Grade Summary a = Deductions 0% Potential 100% sin( cos tan() HOME Submissions Attempts remaining: cotan() asin( acos) (1% per attempt) atan() acotan() sinh() detailed view cosh( tanh() cotanh() END ODegrees O Radians BACKSPACE DEL CLEAR