Answer to Question #236006 in Physics for Dia

Question

A student investigates the motion of a toy car as it moves freely down a slope.

The student wants to find the link between the starting height of the car and the speed of the car at the bottom of the slope.

(a) (i) State the independent variable in this investigation.

(1)

 .............................................................................................................................................

(ii) Suggest a link between the starting height of the car and its speed at the bottom of the slope.

(1)

 .............................................................................................................................................

 .............................................................................................................................................

(b) Describe how the student should measure the starting height of the car.

(2)

 

Answer 1

(a) The independent variable in this investigation is the height of the ramp. I assume that the higher the ramp, the faster the car.

(b) The student should measure the starting height of the car with a ruler.