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Consider a plane that flies due east on a trip, and then returns due west following the same exact route. Imagine also that there are no winds in each trip. Flying due east, the plane flies with the rotation of the Earth, while flying due west, it flies against the rotation. Will the flight times be the same? Different? Why?
A ball is thrown upward from the ground with an initial speed of 23.90 m/s; at = same instant, a ball is dropped from a building 16 m high. After how long will the balls be at the same height.
What is the temperature T of the Concorde's skin in flight?
A person can jump a horizontal distance of 2.82m on Earth, where the free-fall acceleration, g = 9.81 m/s2. How far might the person jump on the moon, where the free-fall acceleration is g/6? How far could the person jump on Mars where the accelerati..
An electron is accelerated by a constant electric field of magnitude 290 N/C. (a) Find the acceleration of the electron.
A space probe is launched from Earth, headed for deep space. At a distance of 15,000 miles from the Earth's center, the gravitational force on it is 800 lb. What is the size of the force when it is at 30,000 miles from the Earth's center?
A singly charged ion of unknown mass moves in a circle of radius 14cm in a magnetic field of 8.2 T. The ion was accelerated through a potential difference of 9kV before it entered the magnetic field.What is the mass of the ion.
what is the minimum acceleration necessary for the plane to take flight.
The ball leaves the bat 2.0 ms later with a vertical velocity of magnitude 10 m/s. Illustrate what is the magnitude of the average force of the bat on the ball during the ball-bat contact?
A baseball outfielder throws a 0.150 kg baseball at a speed of 39.0 m/s and an initial angle of 33.0°. What is the kinetic energy of the baseball at the highest point of its trajectory.
A charge of -5.5 micro Coulombs is placed at the origin of a coordinate system. Another charge of -5.5 micro Coulombs is placed at x = +0.22 m, y = +0.15 m.
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 8 m/s2 up to his top speed of 17 m/s (38 mi/h) and sustain that s..
The horizontal component Fx is shown by the histogram below as function of position along x-axis. There is also a kinetic frictional force of 0.50 N between mass and surface.
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