The temperature scale used in most of the world is the ...

A power cycle operates between hot and cold reservoirs at 1200 K and 300 K, respectively. At steady state the cycle develops a power output of 0.38 MW while receiving energy by heat transfer from the hot reservoir at the rate of 1 MW.

Suppose you are standing on the edge of a dock and jump straight down. If you land on sand your stopping time is much shorter than if you land on water.

A tungsten wire has resistance R at 20°C. A second tungsten wire at 20°C has twice the length and half the cross-sectional area of the first wire. In terms of R, the resistance of the second wire is (1) R/2 (2) 2R (3) R (4) 4R

To get copper from the solid phase to the liquid phase must of the copper sample

Two very small spheres are initially neutral and separated by a distance of 0.66 m. Suppose that 5.7 * 1013 electrons are removed from one sphere and placed on the other.

write a paragraph that explains the difference between work in the everyday sense and the scientific definition of work

An ice skater spins with her arms outstretched at 1 revolution per second. She pulls her arms in toward her body. Does her angular momentum change? Ignore friction with the ice.

Particle of the nucleus that has no electrical charge

4. A racing car has a uniform acceleration of 4 m s - '2. What distance will it cover in 10 s after start?

What does saturns core look like?