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1D Kinematics
If train A leaves from El Paso at high noon and train B leaves from Dallas at 1 PM, you won't know when they meet unless you master 1D kinematics. What are you waiting for?
Excel in math and science
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Our wiki is made for math and science
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Concept Quizzes
Assume that the escalator and man are both move with constant respective velocities.
Excel in math and science
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It's hard to learn from lectures and videos
Learn more effectively through short, conceptual quizzes.
Our wiki is made for math and science
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by Brilliant Staff
The length of a clock's second-hand is \(45\text{ mm}.\) What is the average velocity of the end point of this second hand during any thirty seconds of time?
Excel in math and science
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It's hard to learn from lectures and videos
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Our wiki is made for math and science
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by Brilliant Staff
An object is positioned at \(x=0\) at time \(t=0.\) It accelerates at a rate of \(2.3\text{ m/s}^2\) for \(2.6\) seconds, then it accelerates at a rate of \(-5.2\text{ m/s}^2\) for \(2.4\) seconds. What is the approximate velocity of the object at \(t=4.4\) seconds?
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
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including olympiad champions, researchers, and professionals.
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That seems reasonable.
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by Brilliant Staff
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.
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by Brilliant Staff
The position of an object moving along the \(x\)-axis with constant acceleration is described as \[x=\frac{7}{2}t^2+3t+6.\] If \(t\) is in seconds and \(x\) is in meters, what is the acceleration of this object?
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
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by Brilliant Staff