Extra assignment chapter 2 S hort Answer 1. The position function of a object thrown on the moon is given by gm 2 6.5r 0.839, where time, t, is in seconds and distance, 3, is in metres. Find the maximum height of the object. 2. The position function of aparticle is given by 30) = 2? +4? r, where time, t, is in seconds and distance, 3, is in metres. Find the velocity and acceleration after 4 s. 3 3. Find the equation of the tangent to the curve x) 2 Elf+23 atx = 0. (x + 3x 1) Problem 4. As an ice cube melts, its edge length is decreasing at a rate of 0.2 cmfmin. The ice cube originally has edges 3 cm in length. At what rate is the volume of the cube changing after 5 min