You tie a 1.25 kg rock to a rope and swing it above your head with a frequency of 1.5 rotations per second. The distance from your hand to the rope is 0.45 meters. Determine the centripetal force
experience by the rock

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

Waves that cause the most damage during an earthquake are a. surface waves c. s waves b. p waves d. ocean waves

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation