What are creative commons? a) items you could use freely
b) special permission to use copyrighted material if you follow the guidelines
c) items the creator already gave permission to use if you follow their rules

Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?

What is the total resistance in a circuit that contains three 60 ohm resistors connected in a series? a. 20 ohms b. 120 ohms c. 60 ohms d. 180 ohms

What would be the address of the cell, which is at the intersection of the second row and the third column in a worksheet?