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 ...

Move over birds, it’s now the time of the bat — at least when it comes to flight-speed supremacy. The Brazilian free-tailed bat is officially the fastest horizontal flier in the world, according to ...

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 ...

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