an airplane heading east at 400 knots encounters a wind velocity of 50 knots blowing toward the northeast

The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.

Blank liquids and gases exert a buoyant force on objects placed in them

Two balls, each with a mass of 0.5 kg, collide on a pool table. is the law of conservation of momentum satisfied in the collision? explain why or why not