Re: Two objects colliding & sticking together said:The main thing you can use in the problem is conservation of momentum:
m1v1+m2v2=(m1+m2)v'
This equality is a result of the completely inelastic collision. The question asks you to solve for v'.
Speed is a measure of how fast an object is moving. It is typically measured in distance per unit of time, such as meters per second or miles per hour.
To calculate speed, you divide the distance traveled by the time it took to travel that distance. For example, if a car travels 100 miles in 2 hours, its speed would be 50 miles per hour.
Speed and velocity are often used interchangeably, but they actually have different meanings. While speed is a measure of how fast an object is moving, velocity also takes into account the direction of the movement.
Several factors can affect an object's speed, including the force applied to it, the object's mass, and any resistance or friction it may encounter. For example, a heavier object will require more force to achieve the same speed as a lighter object.
To find an object's average speed, you divide the total distance traveled by the total time it took to travel that distance. This is useful for objects that may have varying speeds throughout their journey.