The image of the object formed by the lens is real, enlarged and inverted. What is the kind of lens ?​

Adiver in midair has an angular velocity of 6.0 rad/s and a moment of inertia of 1.2 kg·m2. he then pulls is arms and legs into a tuck position and his angular velocity increases to 12 rad/s. the net external torque acting on the diver is zero. what is his moment of inertia in the tuck position?

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

What occurs during a combustion reaction