For many, the crunch is viewed as an unavoidable staple of core training. The exercise has long stood as a gold standard for every beginner trying to get ripped and strong abs. But as our knowledge ...

In a previous post, I was trying to show that the range of a projectile depends on the launch angle. Yes, this isn't that too difficult to see in an introductory physics course, but how do you show ...

The oceanic mesoscale, 10–100 km, is the equivalent of the atmospheric storm scale. It is generally considered to be the most energetic scale, and it is where fronts between water masses become ...

Suppose you throw some object near the surface of the earth. If the only significant force on the object is the constant downward gravitational force, we call this "projectile motion." Yes, that ...

A boy kicks a ball horizontally over the edge of a cliff with a speed of \(6ms^{-1}\) as shown in the diagram. The ball hits the surface of the water \(3s\) later. (a) Calculate the vertical speed of ...

AT a meeting of the Royal Meteorological Society on February 16, the subject for discussion was large-scale vertical atmospheric motion. In opening, Mr. J.K. Bannon stressed the importance of the ...