Sound - 2

Classical Mechanics Level 2

A monkey drops a fruit from the top of a tree. He hears the sound of the fruit hitting the ground after 2.057 sec. If the monkey was 19.6 metres above the ground, what is the speed of the sound in the air??

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Sound - 2

Excel in math and science

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100 Day Summer Challenge

Sound - 2

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations, examples, and problems from the community.

Used and loved by 4 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Master advanced concepts through explanations,
examples, and problems from the community.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.