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A crate of mass 0.812 kg is placed on a rough incline of angle 35.3o . Near the base of the incline is a spring of spring constant 1140 N/m. The mass is pressed against the spring a distance x and released. It moves up the slope .285 meters from the compressed position before coming to a stop. If the coefficient of kinetic friction is 0.195, how far (m) was the spring compressed?
The (kinetic) energy of a photon is 10 eV. An electron has the same de Broglie wavelength as the wavelength of the photon. What is the electron's kinetic energy
Electric charge Q has been spread uniformly over a circular arc of radius R and central angle 40 degrees. What is the potential at point P, center of curvature of the arc.
a 6.1 microc charge is placed at the origin and a -3.8 microc charge is placed at x 25 cm. at what coordinates can a
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 11.0 s. Ignore air resistance. obtain the average mechanical power output of the engine
1) Find the net force acting on particle 3 due to the presence of the other two particles. Report you answer as a magnitude and a direction measured from the positive x axis.
question two identical ships moving at right angles to each othercollide and stick together. one has an initial
A spring of k=8 N/m has a block of mass 15 kg attached to it on a frictionless table. how fast will it be moving at its equilibrium position
a 2.30-g bullet embeds itself in a 1.30-kg block which is attached to a spring of force constant 780 nm .if the maximum
A 1025 kg car carrying four 78kg people travels over a rough "washboard" dirt road with corrugations 4m apart which causes the car to bounce on its spring suspension.
A gas is to be expanded from initial state i to final state f along either path 1 or path 2 on a p-V diagram. What is the change in the internal energy of the gas along path 2
The rectangular coils in a 315-turn generator are 15cm by 15cm .What is the maximum emf produced by this generator when it rotates with an angular speed of 515rpm in a magnetic field of 0.40T ?
solve this problem using either tabulated values from the tables or constant specific heats. Calculate the temperature of the exit stream
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