Copper metal has a specific heat capacity of 0.385 j/gâ·â°c. calculate the amount of heat required to raise the temperature of 22.8 g of cu from 20.0â°c to 875â°c.

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

Steelhead trout migrate up stream to spawn.occasionally they need to leap up small waterfalls to continue their journey. fortunately, steelhead are remarkable jumpers, capable of leaving the water at a speed of 8.0 m/s. a. what is the maximum height a steelhead trout can jump? b.leaving the water at 8.0 m/s, the trout lands on top of the water fall 1.8 m high. how long was it in the air?

By what primary heat transfer mechanism does the sun warm the earth?