acceleration due to gravity

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Sheena Gupta

XI-D

Lab 3

Topic: acceleration due to gravity

Research Question: To find the acceleration of the stones from different

                                       heights.

Apparatus: 

  1. Meter ruler
  2. A stone
  3. Stop watch

Variables:

  • Controlled: Mass of the stone
  • Dependent: Time
  • Independent: Height

Procedure:

  1. First measure the height with the help of the meter ruler.
  2. Drop the stone from that height and record the time taken for the stone to reach the ground with the help of the stopwatch.
  3. Repeat the experiment for 5 more different heights.
  4. Record the readings in the table 1.
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Data collection:

Table 1

Height Vs. Time

Data processing:

Table 2

Height Vs. Acceleration

% Error in distance = Error in distance (m)  X 100

                                           Height

Average of t/s = t1 + t2 + t3

                                 3

% Error of  t/s =    Error of  t/s      X 100

                ...

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