A 1200 kg aircraft going 30 m/s collides with a 2000 kg aircraft that is parked and they stick together after the collision and are going 11.3 m/s after the collision. If they skid for 14.7 seconds before stopping, how far did they skid

83.055  m

Explanation:

According to the given scenario, the calculation of skid distance is shown below:-

Where  

u = 11.3

v = 0

t = 14.7

Now placing these values to the above formula,

So,

= 83.055  m

Therefore for computing the skid distance we simply applied the above formula i.e by considering the all items given in the question

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be