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A particle with an initial linear momentum of 2.86 kgm/s directed along the positive x-axiscollides with a second particle, which has an initial linearmomentum of 5.72 kg · m/s, directedalong the positive y-axis. The final momentum of the first particle is 4.29 kg · m/s, directed45.0° above the positive x-axis. Find the final momentum of the second particle.
A proton accelerates from rest in a uniform electric field of 640N/C. At some later time, its speed is 1.20 X 10e6 m/s. What is its kinetic energy at the later time
Ships A and B leave port together. For the next two hours, ship A travels at 40.0mph in a direction 55.0, What is the distance between the two ships two hours after they depart
A thin uniform rod (length = 10.0 cm, mass = 250 g) is pivoted about a horizontal frictionless pin through one end of the rod
A small fly of mass 0.20 g is caught in a spider's web. The web vibrates predominately with a frequency of 6.0 Hz. (a) What is the value of the effective spring stiffness constant k for the web? N/m (b) At what frequency would you expect the web to v..
A sailor strikes the side of his ship just below the waterline. How deep is the ocean at this point
A step-down transformer (turns ratio= 1:8) is used with anelectric train to reduce the voltage from the wall recetacle to avalue needed to operate the train. When the train is running, thecurrent in the secondary coil is 1.6A. What is the current in ..
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
An unstable atomic nucleus of mass 1.92 10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.00 10-27 kg, Find the velocity of the third particle
A ray of light traveling through air encounters a 1.7cm -thick sheet of glass at a 42? angle of incidence. Assume n = 1.5. How far does the light ray travel inside the glass
A steel guitar string 50 cm long has a mass density of 1.5 g/m and the tension is 500 N. Find the frequency of the second harmonic
Starting from rest, a 4.50-kg block slides 3.00 m down a rough 30.0° incline. Determine the work done by the friction force between block and incline
a stone is trown vertically downward at an initial speed of 14ms from a height of 65m above the ground.how far does the
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