What is the impulse on a car (750 kg) that accelerates from rest to 5.0 m/s in 10 seconds

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

Which one of the following research methods can show cause and effect