21. [-/1 Points] DETAILS OSUNIPHYS1 8.4.P.046. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A single force F(x) = -4.5x (in newtons) acts on a 1.0 kg body. When x = 3.6 m, the speed of the body is 4.4 m/s. What is its speed (in m/s) at x = 1.5 m? m/s Additional Materials Reading23. [3/5 Points] DETAILS PREVIOUS ANSWERS OSUNIPHYS1 8.4.P,049. MY NOTES ASK YOUR TEACHER PRACTICE AN A 4.6 kg particle moving along the x-axis is acted upon by the force whose functional form appears below' The velocity of the particle at x = 0 is v = 6.3 m/s. F00 (N) 10.0 5.0 x (m) -- 75,0 7104). (a) Find the particle's speed (in m/s) at x = 2.0 m, 5.94 y m/s (b) Find the particle's speed (in m/s) at x = 4.5 m. 5.85 x m/s (c) Find the particle's speed (in m/s) at x : 10.0 m. less x m/s