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A 6.0 uC positive charge is located at the origin and a 4.0 uC positive charge is located at x = 0.0 m, y = 1.0 m. Find the point between them where the electric field strength is zero.
Two 4.0 cm × 4.0 cm electrodes spaced 2.0 mm apart form a parallel-plate capacitor. Inside the capacitor the electric field strength is 2 \times 106 N/C. What is the charge on each electrod
The velocities are in opposite directions(such that they are moving away from each other). Find the maximum extension in the spring.
The ratio of times taken by a cyclist to travel along the outer and inner perimeter of a circular path is 23:22 If the path is 5 meters wide find the diameter of the inner circle.
The larger mass is stopped for a moment 1 sec after the system is set in motion. Find the time elapsed before the string is tight again ??
If yellow light of wavelength 590 nm strikes the double slit, what is the separation between the zeroth-order and first-order maxima on the screen?
Find the moment of inertia of this rod. About an axis perpendicular to the rod through A.
Amateur radio operators often refer to their radio waves by wavelength. What are the approximate frequencies of the 160-m, 15-m, and 2-m wavelength amateur radio bands?
Two stars, with masses m1 and m2 that are initially very far apart and at rest (and even farther from any other stars) are pulled together by their gravitational attraction.
If a person standing on the side of the road hears the horn at a frequency of 270 Hz, then what is the speed of the truck? Use 340 m/s for the speed of the sound.
A wire has a current density of 18 A/mm2. If the drift velocity is 5.0×10-8 m/s, how many free electrons does the wire have in a 1.0 m length?
By how much will the volume of coolant in an automobile radiator increase when its temperature increases by 130 C° if the initial volume of coolant is 19 liters and its thermal coefficient of
Where is the image formed. Take a positive answer to be in front of the mirror, and a negative answer to be behind the mirror.
What is the position of the image? Take a positive answer to be in front of the mirror, and a negative answer to be behind the mirror.
A solenoid of radius 3.0 cm has 350 turns and a length of 21 cm. Find the rate at which current must change through it to produce an emf of 76 mV.
A Young's double-slit interference experiment gives bright fringes separated by 30.5 cm on a screen when the experiment is performed in air.
A converging lens with a focal length of 15 cm is used to form an image on a screen that is 1.8 m behind the lens. At what distance in front of the lens must the object be placed?
Each of the plates of a parallel plate capacitor has an area of 10.6cm^2 and a plate separaton difference of 2mm. Suppose a 20 volt power supply is connected to this capacator. Calculate the ch
If a blue filter is placed over a light source aperture so that the incident rays are blue and these rays pass through a red filter, what color should the reflected rays be?
During the process, the air is compressed to 26.0% of its original volume and the temperature is increased to 39.0°C. What is the tire pressure in pascals?
You were directed to measure the angle of reflection when the ray was incident on either side of the normal to the surface of the mirror. What advantages does this provide?
A torque of 288 inch-pounds is required to free the nut. How much force must be exerted at the end of the 24-inch-long wrench to accomplish this task?
A ferris wheel at a carnival has a radius of 8 meters and rotates once every 15 seconds. A 10:1 scale model of the ferris wheel also rotates once every 15 seconds. Which has a higher angular velo
Suppose your body is rotated about an axis that (1) runs vertically through your spine, or an axis that (2) runs horizontally though your hips. In which case is the moment of inertia bigger?
The engine had an efficiency of 20%. The throttle is set so that the engine cycles 10 times per second. Find the amount of heat expelled in each cycle.