What is the maximum acceleration of the needle
A sewing machine needle moves up and down in simple harmonic motion with an amplitude of 1.27 cm and a frequency of 2.55 Hz. What is the maximum acceleration of the needle?
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If the loop is placed in a uniform magnetic field of magnitude 0.300 T, what is the maximum torque that can act on it? The resistivity of copper is 1.7 10-8 · m.
A 151-kg crate rests on the flatbed of a truck that moves at a speed of 11.0 m/s around an unbanked curve whose radius is 57.0 m. The crate does not slip relative to the truck. Obtain the magnitude of the static frictional force that the truck bed
Forces of 3N and 4N act at right angles on a block of mass 5 kg. Show that the resulting acceleration is 1 m/s2.
What is the wavelength of a sound having a frequency of 237 Hz travels through air at 485 m/s.
A person has far points of 5.2 m from the right eye and 6.9 m from the left eye. Write a prescription for the refractive power of each corrective contact lens.
Consider a system of three noninteracting identical bosons. Find the energy level and wave functions of the ground state, the first state, and the second state of the system.
Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 10.7 m long. His speed at the bottom of the swing, just as he clears the surface of the river, is 8.7 m/s. Tarzan does not know that the vine has a breaking st
A 60 ball of clay is thrown horizontally at 40 toward a 1.3 block sitting at rest on a frictionless hi surface. The clayts and sticks to the block. What is the speed of the block and clay right after the collision?
A force of 78gm acts at the point (2,3,5) the direction cosines of its line of action being as 2:2:1 find the magnitude of its moment about the joining the origin to the point (2,3,4)?
Calculate the change in electric potential energy of a released electron when is moves vertically upward through a distance d=650m.
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