After hearing about an accident on his normal route Mr. Gujral checks for alternate routes to get to work what type of circuit does this traffic situation model

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

Does anyone have the answers to online physics course plato course physics, semester a v3.0

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?