Find the difference in temperature between the water at the top and the bottom of a waterfall 100 m high.

Monday Unit test: Ms Nayr's Class: 1.) How many bones are in a giraffe's neck? A.) 7 B.) 20 C.) 1 2.) What does reticulated mean? 3.) What are dholes?

How much force (in N) is exerted on one side of an 16.2 cm by 22.9 cm sheet of paper by the atmosphere

Another machine uses aninput force of 200 newtons to produce an output force of 80 newtons

In a container of negligible mass, 0.400 kg of ice at an initial temperature of - 29.0 ∘C is mixed with a mass m of water that has an initial temperature of 80.0∘C. No heat is lost to the surroundings.

What is electrical conductivity?

A CFL bulb has an efficiency of 8.9% and a power of 22 W. How much light energy does the lightbulb produce in 1 second

Which of the following is true of high clouds?

A ferris wheel takes 5 minutes to complete one full rotation, what is the angular velocity of the ferris wheel

A heat engine has a thermal efficiency of 45%. how much power does the engine produce when heat is transferred into it at a rate of 109 kj/hr?

Dos pelotas de tenis se lanzan verticalmente, hacia arriba y desde el mismo punto, con 2 s de diferencia. La velocidad inicial de la primera es de 20 m/s, y la de la segunda, de 30 m/s.