Atrain is moving 35 m/s to the east. it speeds up to 42 m/s east over the
course of 40 seconds. what was the train's acceleration?
o a. 0.175 m/s2 west
o b. 5.71 m/s2 east
o c. 5.71 m/s2 west
o d. 0.175 m/s2 east

Which of the following is an example of motion in two dimensions?

For this car, predict the shape of a graph that shows distance (x) versus time (t). note that time is the independent variable and will be on the bottom axis. need asap

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