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Physics · May / June 2024 · Paper 62 · Question 4

0625

As printed in the paper

The question as text

A student sets up a flexible track at the edge of a bench. The student investigates a metal ball as it rolls from rest down the track and travels through the air. The metal ball travels a horizontal distance d through the air and lands in a tray of sand placed on the floor. Plan an experiment to investigate how one variable affects the size of this distance d. The apparatus available includes: • flexible track • clamp, boss and stand to support the track • selection of metal balls. Fig. 4.1 shows how the flexible track is supported. path taken by ball sand d metal ball bench flexible track clamp stand floor Fig. 4.1 In your plan: • state the one variable you have chosen to investigate • list any additional apparatus needed to measure this variable • explain how to do the experiment • state the key variables to be kept constant • draw a table, with column headings, to show how to display the readings (you are not required to enter any readings in the table) • explain how to use the readings to reach a conclusion.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme

MP1

variable chosen:

valid variable which may affect d

MP2

additional apparatus:

ruler/measuring tape AND additional apparatus (if needed) to measure the independent variable

MP3

method:

(place ball and release), measure dependent variable
repeat for new value of independent variable

MP4

control variables:

any significant variable appropriate to the independent variable

MP5

table:

columns, with units, for independent variable and dependent variable

MP6

conclusion:

compare readings in the table to see if/how a change in the variable produces change in d

OR plot a (line) graph with axes specified

MP7

additional point:

any one from:

second valid control variable stated
at least 5 sets of data taken
repeat each measurement AND take the average

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