Finding acceleration due to gravity

Question 1

Method 1

Answer 1

Light gates

Question 2

How to set up method 1

Answer 2

Alight gate getting the velocity at bottom attached to stand and then guiding tube above light gate and wooden dwell directly on top of guiding tube

Question 3

What is the independent variable of method 1

Answer 3

The distance - it’s always changing

Question 4

What graph is drawn for method 1

Answer 4

Velocity² on y-axis and distance on x-axis

Question 5

How to find acceleration using graph for method 1

Answer 5

Divide gradient by 2

Question 6

How do we know what to put on axis for method 1

Answer 6

Using y=mx+c line it directly below the suvat equation (v²=2as) and line them up

Question 7

What is method 2

Answer 7

Stopwatch and ruler

Question 8

How to set up method 2

Answer 8

Someone holding ruler straight and another dropping a mass

Question 9

What’s the independent variable of method 2

Answer 9

Distance - dropping from different heights

Question 10

What graph do we draw for method 2

Answer 10

S on y-axis and t² on x-axis

Question 11

How we know how to draw graph for method 2

Answer 11

Using y=mx+c and line it up with suvat equation (s=1/2at²)

Question 12

How to find acceleration using graph for method

Answer 12

Times the gradient by 2