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Two charged plates create a potential difference of 190 V. At a point halfway between the plates an electron is released from rest. At the same time a proton is also halfway between the plates, but far enough away from the electron to ignore the interaction between the two. Both strike the plates at the same time. What was the initial speed and direction of the proton?
Suppose a tank contains 826 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. What is the increase in the internal energy of the neon
An 8.71-kg block slides with an initial speed of 1.62 m/s down a ramp inclined at an angle of 27.0° with the horizontal. find the distance the block slides before coming to rest
If a ball is thrown upwards at 20 ft/sec, the height h after t seconds is given by h = -16t^2 + 20t. How many seconds does it take for the ball to reach its greatest height, and what is this height.
A surface completely surrounds a 3.5 × 10-6 C charge. Find the electric flux through this surface when the surface is (a) a sphere with a radius of 0.59 m, (b) a sphere with a radius of 0.16 m, and (c) a cube with edges that are 0.27 m long.
Determine the wave speed on the string and determine the speed of sound from the data given.
Monochromatic light falling on two slits 1.9×10?2mm apart produces the fifth-order fringe at an 8.9? angle
Bill measures the rate at which the clock in sam's spaceship runs and finds that it is 1/3 the rate at which the same clock runs when it is at rest
A Young's double-slit interference experiment gives bright fringes separated by 2.5 cm on a screen when the experiment is performed in air. What is the new spacing between bright fringes
A prospector finds a solid rock composed of granite (? = 2650 kg/m3) and gold. The volume of the rock is 3.40 10-4 m3 and its mass is 3.87 kg. What percentage of the rock is gold by mass
Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10?2cm , mounted coaxially within a cylindrical anode with a radius of 0.5580cm, Find its speed vfinal when it strikes the anode
A 25 kg child on a 2.0 m swing is released from rest when the swing supports make the angle of 30.0 degrees with the vertical.
The heart requires a continuous flow of blood maintain normal function. The average length of the mid left anterior descending coronary artery is 11 cm, Calculate the decrease in pressure along this artery
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