Why is carbon added to iron

How does the conservation of energy deal with the flash's supersonic punch? For a physics project

In the metric system, the prefix for 1 over 1000000 is

A pumpkin has a mass of 314 ounces. Based on the tiles below, what is the mass of the pumpkin in kilograms? A. 0.0111 kg B. 3.14 kg C. 8.90 kg D. 43.2 kg

If a small-diameter open glass tube is partially immersed in a vessel containing mercury, the surface of the mercury inside the tube will be A. lower than the mercury in the vessel, and shaped like the inside of a bowl. B.

Find the average angular velocity (in rad/s) of a wheel of radius 30.0 cm that starts from rest and makes 6.00 revolutions in 2.50 s. This is my work, but the answer I am getting is not correct: w avg = angular displacement / time = 6.

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.