Um balão tem sua trajetória representada pela equação S = 4 x t²-24 x T + 36 A)em que instante o balão passa pela origem(S=0)da trajetoria

B)determine a velocidade no instante T=3s

me ajudem pls

Explain the consequences of this addiction to the brain tissue

What is similar between metals and suspensions

Ablue car pulls away from a red stop-light just after it has turned green with a constant acceleration of 0.5 m/s 2 . a green car arrives at the position of the stop-light 6.5 s after the light had turned green. if t = 0 when the light turns green, at what time does the green car catch the blue car if the green car maintains the slowest constant speed necessary to catch up to the blue car? answer in units of s.