Neco 2019 Physics Question 3

Practice practical question 3 from the 2019 Neco Physics examination. This question covers Motion, Kinematics, Experimental methods .

Neco 2019 Physics Practical
Topics: Motion Kinematics Experimental methods
Question 3 NECO • 2019 • PHYSICS • practical

A student investigates the motion of a cart down a smooth inclined plane using a ticker timer. The ticker timer marks a dot every 0.05 s on a strip of paper. The distances between successive dots recorded for five consecutive intervals are shown in the table below. | Interval | Distance between dots (cm) | |----------|----------------------------| | 1 | 5.2 | | 2 | 6.8 | | 3 | 8.5 | | 4 | 10.3 | | 5 | 12.2 | The angle of the inclined plane is 30°. Answer the following questions:

Question Parts

( a )
Determine the instantaneous velocity of the cart for each of the five intervals recorded by the ticker timer. Express your answers in m s⁻¹ (to two decimal places).
( b )
Calculate the acceleration of the cart for each successive interval and the average acceleration over the whole motion.
( c )
The plane is inclined at 30°. Calculate the theoretical acceleration of a body sliding down a smooth plane and compare it with the experimental average acceleration obtained. State two possible reasons for any discrepancy.
( d )
State two precautions that should be observed when using a ticker timer to minimise error.

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About This Question

This is Neco 2019 Physics Question 3. It is one of the practical questions from the 2019 Neco Physics examination.

The question covers Motion, Kinematics, Experimental methods .

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