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Please explain how to find maximum height for a projectile motion. Say for example if from left to right a ball is thrown at a degree of 45degree angle. And the distance is 100 feet.
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Three people are fighting over a book. The mass of the book is m=9.18kg. Each person exerts a force on the book, F. The angle between the first person and the second person's force is 125.9 degrees. If the first person i ...
What are the equations and ratios used in Galileo's experiments, and what theory/principles are associated with his experiments that involve motion on a ramp at different inclines and distances for example?
What is the ideal speed to take a 80 m radius curve banked at a 30.0° angle?
Question: One of the most worrisome waste products of a nuclear reactor is plutonium 239 ( 239 Pu). This nucleus is radioactive and decays by splitting into a helium-4 nucleus and a uranium-235 nucleus ( 4 He + 235 U), ...
Question: Suppose we could shrink the earth without changing its mass. At what fraction of its current radius would the free-fall acceleration at the surface be three times its present value? The response must be typed, ...
John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?
Question: Some passengers on an ocean cruise may suffer from motion sickness as the ship rocks back and forth on the waves. At one position on the ship, passengers experience a vertical motion of amplitude 1.6m with a pe ...
Question: A 30.0kg- box is being pulled across a carpeted floor by a horizontal force of 230N, against a friction force of 210N. What is the acceleration of the box? How far would the box move in 3s, if it starts from re ...
Question: A sled of mass m is being pulled horizontally by a constant upward force of magnitude F that makes an angle theta with the direction of motion. The coefficient of kinetic friction is mu_k. The average velocity ...
Question: A simple pendulum consisting of a bob of mass attached to a string of length swings with a period . a) If the bob's mass is doubled, approximately what will the pendulum's new period be? b) If the pendulum is b ...
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