A ball is dropped from a platform starting from rest. After 4s, another ball is thrown downwards from the same platform with a speed U. The two balls meet at t =18s. What is the value of the initial velocity of the second ball? A pendulum oscillates as shown in the figure. A and C are the highest points of oscillation and B is the lowest point. Identify the forms of energy the pendulum bob has, and how they are changed and transferred during the oscillation. Explain. A B.
A ball is dropped from a platform starting from rest. After 4s, another ball is thrown downwards from the same platform with a speed U. The two balls meet at t =18s. What is the value of the initial velocity of the second ball? A pendulum oscillates as shown in the figure. A and C are the highest points of oscillation and B is the lowest point. Identify the forms of energy the pendulum bob has, and how they are changed and transferred during the oscillation. Explain. A B.
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Transcribed Image Text:A ball is dropped from a platform starting from rest. After 4s, another ball is thrown downwards from the same
platform with a speed U. The two balls meet at t =18s. What is the value of the initial velocity of the second ball?
A pendulum oscillates as shown in the figure. A and C are the
highest points of oscillation and B is the lowest point.
Identify the forms of energy the pendulum bob has, and how
they are changed and transferred during the oscillation.
Explain.
A
B.
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