Velocity & Acceleration Task

Aim
To investigate and observe the difference between
acceleration and velocity.

Method
1) Accurately measure a 100m distance.

2) Place markers at the start and at 10m intervals up to 100m.

3) A student with a stopwatch stands at each marker and records the time of the sprinter as he passes the marker.

Results

Discussion

1 Record the time, velocity, and acceleration for each
distance using the following formulas:
a Velocity = (distance covered)/(time)
b Acceleration = (change in velocity)/(time)
2 Draw a graph showing the velocity and acceleration over the 100m
3 At which point was velocity the lowest? Why?
4 At which point did the sprinter reach maximum velocity?
5Can you explain why it may have occurred at this distance?
6 Where did the sprinter reach maximum acceleration?
7Can you explain why it may have occurred at this distance?
8 Did the sprinter experience zero acceleration at any stage?
9 What does zero acceleration mean?
10 Did the sprinter experience negative acceleration at any stage?

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