Mathematics, 08.02.2021 14:10 gracie0818

2. Masses A of 150 g and B of 250 g are attached to the ends of a light, inextensible string passing over a smooth pulley as shown in this
diagram.
Initially B is held at rest 1 m above the ground. B is then released.
(1) Draw a diagram for each mass showing the forces acting on it
and the direction of its acceleration before B hits the ground.
ii) use newton’s second law to find the equation of motion for each mass in the direction it moves
iii) find the acceleration of each mass, tension in the string and time taken before B hits the ground

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2. Masses A of 150 g and B of 250 g are attached to the ends of a light, inextensible string passin...