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Q. A particle is initially moving along the positive x-axis at a speed of 9.40 m/s. After 1.50 s, the particle is moving along the negative y-axis at a speed of 5.38 m/s. Find the x and y components of the particle's acceleration.
Q. A crate rests on the floor. How much work is required to move it at constant speed 6.5 m along the floor against a friction force of 173 N?
Compute the magnetic flux
An ocean liner leaves New York City and travels 34.0° north of east for 169 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the subsequent directions.
What is the focal length of this mirror. If the object is 25 cm in front of the mirror, what is the image distance.
suppose that they have same internal energy, which will have a higher temperature: a metal knife in thermal equilibrim with a hot griddle or a 1kg block of ice at -25C or seven 12g ice cubes at -25C.
What is the energy density. Find out the lowest frequency that permits standing waves in both strings with a node at the junction. The standing wave pattern in each string may have a different number of loops.
suppose that no heat is lost to the surroundings, what is the situation when termal equilibrium is reached.
What fraction of incident intensity is transmitted by system
A 23.00 kg chair initially at rest on a horizontal floor requires a 364N horizontal force to set it in motion. Once the chair is in motion, a 328N horizontal force keeps it moving at a constant velocity. A 23.00 kg chair initially at rest on a horizo..
What is mechanical energy dissipated by resistive forces
Find out the intensity if the frequency is increased to 2.90 kHz while constant displacement amplitude is maintained.
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..
The displacement of an object moving under uniform acceleration is some function of time and the acceleration. Suppose we write this displacement as s=ka^mt^n, where k is the dimensional constant. Show by dimensional analysis that this expression ..
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