Plants contain xylem and phloem tissues for carrying water and food. What organ system in animals performs a similar function as xylem and phloem in plants? Digestive system

Excretory system

Respiratory system

Circulatory system

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]

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

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?