3. after some time of sliding iron man with an initial forward velocity of +4.42 m/s accelerates uniformly at -0.75 m/s2. how long does it take for him to come to a stop?
i was not there can not tell you.
a. 198.9 s
b. 3.31 s
c. 5.9 s

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

-reverse card

i think the answer is a, hope this : )