What is the average acceleration of the particle between 0 seconds and 4 seconds?

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?

What is the moment of inertia i of this assembly about the axis through which it is pivoted? express the moment of inertia in terms of mr