Which of the following equations is dimensionally invalid a. v=x+at
b. x=at^2
c. v=
d. v

Adelivery truck leaves a warehouse and travels 2.60 km north. the truck makes a left turn and travels 1.25 km west before making another right turn to travel 1.40 km north to arrive at its destination. what is the magnitude and direction of the truck's displacement from the warehouse?

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?