A 2.0 kg pendulum of length 1.5 m. Find the gravitational potential energy associated with the pendulum relative to the pendulum's lowest position when the pendulum makes a 35.0° angle with the vertical . A. 0.54 J
B. 29.43 J
C. 5.32 J
D. 12.54

you have to draw the persons position over there

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

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a skateboard rolling across the street - apex