Waec Model Questions Vol1 2023 Physics Question 2

Practice essay / theory question 2 from the 2023 Waec Model Questions Vol1 Physics examination. This question covers Scalars and Vectors, Projectile Motion, Vector Decomposition .

Waec Model Questions Vol1 2023 Physics Essay / Theory

Topics: Scalars and Vectors Projectile Motion Vector Decomposition

Question 2 WAEC_MODEL_QUESTIONS_VOL1 • 2023 • PHYSICS • essay

A ball is projected from point O with an initial speed of 20.0 m s⁻¹ at an angle θ above the horizontal. The landing platform is 5.0 m higher than the launch point.

Question Parts

( a )

Derive the equation that θ must satisfy for the ball to land on the platform. Show that the equation reduces to a quadratic in tan θ.

( b )

Solve the quadratic obtained in part (a) to find the smaller feasible launch angle (θ). Then calculate the corresponding time of flight and horizontal distance traveled.

( c )

Draw a labelled vector diagram of the initial velocity showing its horizontal and vertical components. Briefly explain how each component influences the subsequent motion of the ball.

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About This Question

This is Waec Model Questions Vol1 2023 Physics Question 2. It is one of the essay questions from the 2023 Waec Model Questions Vol1 Physics examination.

The question covers Scalars and Vectors, Projectile Motion, Vector Decomposition .

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