Recent content by hty21

A 2-kilogram block initially hangs at rest at the end of two 1-meter strings of negligible mass as shown on the diagram above (I'll explain this later). A 0.003-kilogram bullet, moving horizontally with a speed of 1000 meters per second, strikes the block and becomese embedded in it. After the...

I'm not sure why this is true, but when the teacher demonstrated rolling objects down a ramp in class a few days ago, we saw that different objects with the same shape/material but different radii (we used black rubber cylinders of different sizes) reached the bottom of the ramp at the same...