An object falls freely from rest near the surface of earth. What is the speed of the object when it has fallen 4.9 meters from its rest position ?
1 Answer
Explanation:
Listed below are the four kinematic equations. Keep in mind that the kinematic equations are the same for the x-direction and y-direction for one-dimensional motion, except that the variable x is replaced with the variable y, in the equations:
We're going to call the downwards direction the positive y-direction, which means as the object falls down, it's position is increasing in the y-direction
The quantities we know are:
- Acceleration,
- Displacement
- Initial Speed
Because we are looking for the final speed,
Hope this helps!