Lesson: Acceleration over Distance and Time Physics • 9th Grade
In this lesson, we will learn how to calculate acceleration using an object’s initial velocity, its displacement, and its acceleration time using the formula s = ut + ½at².
A car that was initially moving at a steady speed travels a distance of 15 m while accelerating in a straight line for 10 seconds at 2.5 m/s2 in the opposite direction to its original velocity. What was the car’s initial speed?
An object has an initial velocity of 12 m/s. The object accelerates at 2.5 m/s2 in the same direction of its velocity for a time of 1.5 s. What is the displacement of the object during this time? Answer to one decimal place.
An object has an initial velocity of 10 m/s. The object accelerates at 1.5 m/s2 in the opposite direction to its velocity for a time of 2.5 s. What is the net displacement of the object in the direction of its initial velocity during this time? Answer to one decimal place.