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Q. An ocean liner leaves New York City and travels 19° north of east for 264 km. How far east and how far north has it gone? In other words, what are the magnitudes of components of the ship's displacement vector in the directions?
Q. In a television tube, electrons originally at rest are accelerated by a uniform electric field of magnitude 4 times 105N/C during the first 5cm of the tube's length; after that they move at essentially constant velocity another 45cm before hitting the screen. How long does it take them to travel the length of tube?
A 7 kg bowling ball moves at 2.15 m/s. How fast should a 2.40 g Ping-Pong ball move so that the two balls have the same kinetic energy.
A cargo plane is flying horizontally at an altitude of 11.5 km with the speed of 820 km/h when a large crate falls out of the rear loading ramp. (Ignore any effects due to air resistance.)
A 60kg bicyclist rides his 7.8kg bicycle with a speed of 16m/s. How much work must be done by the brakes to bring the bike and rider to a stop.
David is driving a steady 26 when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.8 at instant when David passes.
An ideal monatomic gas expands adiabatically from an initial temperature of 368 K and volume of 4.6 m3 to a final volume of 11 m3. If the initial pressure is 1.5 multiplied by Patm, how much work is completed on the gas.
find the potential difference VB - VA, using the blue path.
What is the CD's moment of inertia for rotation about a perpendicular axis by the edge of the disk.
Coin is placed 14.0 from the axis of the rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on turntable until a rate of 40.0 (revolutions per minute) is reached, at that point the coin s..
If light enters the window from outside at 23.0° to the normal, at what angle to normal does it exit the window on the inside.
define the magnitude of the initial velocity. use 9.81 m/s^2 for the acceleration due to gravity on earth.
A lightweight string of length 60cm is attached to the ceiling at points separated by distance. Three objects of equal mass are hung from the string, separating the string into 4 equal segments of length L. If θ = 40, find the measure of angle φ a..
Consider two dimensional simple triangular lattice for free electron metal with two electrons per atom. Assume the lattice constant is a, find the areas electron and hole pockets that are formed in the second and first Brillouin zones respectively. F..
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