They depends on the weather, the aiming degree. For instance if you're shooting upwards, the bullet will slow down until it starts falling down, which will increase the speed.
rilly fast
The .357 has a longer case and a heavier bullet; it is identical to a .38 in diameter but far more powerful. This is why a .38 will fire in a .357 but not the other way around.
If by 38 you mean the 38 special , the answer is yes , as both use a .357 dia bullet
Impossible to answer without knowing what bullet weight is.
You have answered your own question. The projectile has a diameter of .357"
The actual bullet diameter (as well as that of the .38 Special) is .357.
187
The fastest so far is the TGV in France, where a train reached about 357 mph for a limited time.Japan has the world record at 581km per hour. A modern Japanese Bullet Train can go 333km per hour. The french TGV can go at 343km per hour. But the fastest bullet train is the Chinese bullet train. It goes 487km per hour.
colt 357
The speed that a bullet travels depends on the weight of the bullet. For example a bullet for a Magnum .357 made by Federal's American Eagle with a 158gr JSP load can travel at a speed of 1351 km/h.
Both terms describe the diameter of the bullet in decimal parts of an inch. For example, a .357 bullet is 357 thousands of an inch in diameter and the .45 bullet is 45 hundredths of an inch in diameter. These labels of bullets are most common in the United States. Much of the world refers to bullet sizes in metric terms, i.e. 9mm means a bullet that is 9 millimeters in diameter.
The .357 part of the name means that the bullet diameter .357 inches. I do not know what the "Magnum" means in the name.