What are the 26th - 50th elements of the periodic table

Aregular polygon has angkes of size 150° each.how many side has the polygon

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

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up