Acrane with output power of 200w lift a 600n object a vertical distance of 4 meters in how many seconds

The 10-kg double wheel with radius of gyration of 125mm about o is connected to the spring of stiffness k = 600 n/m by a cord which is wrapped securely around the inner hub. if the wheel is released from rest on the incline with the spring stretched 225 mm, calculate the maximum velocity v of its center o during the ensuing motion. the wheel rolls without slipping

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

The least penetrating form of radiation is