Through innovative design and data-driven research, Yale leads the way in reducing bird mortality and promoting bird-friendly ...

An object being fired from a cannon is also a collision where momentum must be conserved. As the momentum before the 'collision' is zero, the momentum after the collision is zero. In physics, this ...

A squash ball of mass 25 g is moving from left to right at 3.2 ms-1. It is hit by a squash racquet which applies a force for 4 milliseconds, so that the ball leaves the racquet at 8.4 ms-1 moving ...