Name ______Date ______Block ______

Acceleration equations

EQUATIONS FOR THE UNIT:a = vf- vid = ½at2
t

  1. A runner covers the last straight stretch of a race in 4 s. During that time, he speeds up from 5 m/s to 9 m/s. What is the runner’s acceleration in this part of the race?

Givens / Equation and work / Answer (with units!)
  1. A car whose initial speed is 30.0 m/sec slows uniformly to 10.0 m/sec in 5.00 sec. Determine the acceleration of the car.

Givens / Equation and work / Answer (with units!)
  1. The driver of a car sees a traffic light turn red, and goes from 80 km/hr to a dead stop in 9 sec. Calculate the car’s acceleration (tricky units!)

Givens / Equation and work / Answer (with units!)
  1. A mountain goat starts a rock slide and the rock crash down the slope 100. meters. If the rocks reach the bottom in 5.00 seconds, what is its acceleration?

Givens / Equation and work / Answer (with units!)

EQUATIONS FOR THE UNIT:a = vf- vid = ½at2
t

  1. A bicyclist starts from rest and accelerates at a rate of 0.2 m/sec2 for 90 seconds. How far does he travel in this time?

Givens / Equation and work / Answer (with units!)
  1. A bear spies some honey and takes off from rest, accelerating at a rate of 2.00 m/sec2. If he reaches the honey in 4 seconds, how far away was the honey?

Givens / Equation and work / Answer (with units!)
  1. A poorly tuned Yugo can accelerate from rest to a speed of 28.0 m/s in 20 sec?
  1. What is the acceleration of the car?

Givens / Equation and work / Answer (with units!)
  1. What distance does it travel in time?

Givens / Equation and work / Answer (with units!)