Driving down the road at a speed of 30.1 m/s, you suddenly notice a fallen tree blocking the road a distance of 55.1 m ahead of you. You step on the brake pedal and decelerate at a constant rate. What must the magnitude of your acceleration be so that you will come to a stop 5.3 m in front of the tree?  

 

Question 6 The next few questions challenge you to figure out the acceleration due to gravity ( g ) on various hypothetical alien planets. On Planet #1, you drop a stone from rest, 88.5 m above the ground, and the stone hits the ground 2.82 s later. What is the value of g on Planet #1? 

Answer rating: 100% (QA)

1 Braking Distance The initial speed is 301 ms the distance to the tree is ... View the full answer