Gold has a specific heat of 0.129 J/(g•°C). How many joules of heat energy are required to raise the temperature of 15 grams of gold from 22°C to 85°C?

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque