an aeroplane files through the air in a straight line, with its engine at full power. the weight of the plane is 160kN acting upwards on the plane at 30° to the horizontal. Find the size of the resultant force and the direction of resultant force​

Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0