Determine all intervals when the speed of the particle is increasing calculator

Which of the following commands is more recommended while creating a bot?

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?

How are stop motion special effects in animated films created