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The potential difference between two parallel plates is 566 V. An alpha particle with mass of 6.64 10?27 kg and charge of 3.20 10?19 C is released from rest near the positive plate. What is the speed of the alpha particle when it reaches the other plate? The distance between the plates is 43.8 cm.
Vector A has a magnitude of 116 units and points 37.0 ° north of west. Vector B points 69.0 ° east of north. Vector C points 17.0 ° west of south. These three vectors add to give a resultant vector that is zero. Using components, find the magnitud..
A woman walks 300m in the direction 30° east of north, then 300 m directly east.
A person's prescription for her new bifocal glasses calls for a refractive power of -0.461 diopters in the distance-vision part, and a power of +1.83 diopters in the close-vision part. Find the near and far points of this person's uncorrected visi..
An object with a charge of 0.880 µC is placed at the center of a regular icosahedron with 20 equivalent surfaces. What is the electric flux through one surface of the icosahedron?
What is the average electric field strength in this region?
What is the difference between mass and weight? On earth, what is the weight of a 1 kg mass?
What is the final temperature of the water and zinc.
An electron accelerated from rest through the voltage of 500V enters a region of constant magnetic field. If the electron follows a circular path with a radius of 17cm, what is the magnitude of magnetic field.
The driver of an 1800 {kg} car travelling on a horizontal road at 100 kmh suddenly applies the brakes. Because of a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0 percent of the weight o..
A pulley system has an efficiency of 87.5 percent. How much of the rope must be pulled in if a force of 648 N is is needed to lfit a 150kg desk 2.46m .
An electric motor rotating a workshop grinding wheel at a rate of 9.90 x 10^1 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.70 rad/s2.
An object moving with uniform acceleration has a velocity of 10.0 cm/s in the positive x-direction when its x-coordinate is 3.09 cm. If its x-coordinate 3.05 s later is ?5.00 cm, what is its acceleration?
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