Tersedia dua bidang miring identik. Bidang pertama permukaan miringnya kasar sedangkan bidang yang kedua permukaan miringnya licin. Dalam percobaan pertama silinder pejal dengan jari – jari R dilepaskan dari puncak bidang miring kasar, sedangkan pada percobaan kedua silinder pejal tersebut dilepaskan dari puncak bidang miring licin. Rasio ( perbandingan ) kelajuan silinder pejal di dasar bidang miring dalam percobaan pertama dan kedua adalah

Luke and carrie are driving down a straight section of the interstate at 70 mph in luke's new convertible. carrie is drinking a soda in the passenger seat. when she is done she tosses the bottle straight up in the air, just above the height of the car. what will happen to the bottle if air resistance is neglected? a. the bottle will land in carrie's lap. b. not enough information is given. c. the bottle will land on the interstate in front of the car. d. the bottle will land on the interstate behind the car.

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell