Driving a spacecraft around a planet isn’t anything like driving on a planet. A physicist explains orbital navigation. Physicists Create a Thermometer for Measuring ‘Quantumness’ “Anomalous” heat flow ...

As the name suggests, horizontal motion occurs when the object is thrown horizontally, meaning it starts with zero vertical velocity. The only force acting on the object is gravity, causing it to ...

The terms projectile and trajectory are introduced. Projectile Motion: The terms projectile and trajectory are introduced. Students learn to describe horizontal and vertical components of a projectile ...

Revise: Motion - equations and graphs Revise: Forces, energy and power Revise: Collisions, explosions and impulse Revise: Special relativity Revise: The expanding Universe ...