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An electron of mass 9.11x10^-31 kg has an initial speed of 2.40x10^5 m/s. It travels in a straight line, and its speed increases to 6.80x10^5 m/s in a distance of 4.80 cm. Assume its acceleration is constant.
(a) Determine the magnitude of the force exerted on the electron.
(b) Compare this force (F) with the weight of the electron (Fg), which we ignored.
A 3.83 long organ pipe is open on both ends. Find its fundamental frequency Find its first three overtone frequencies
A parallel-plate air capacitor has a capacitance of 940 pF. The charge on each plate is 2.10 µC. How much work is required to double the separation
Distinguish among thermal, mechanical, and diffusive equilibrium, explaining the nature of the interaction, exchanged quantities and governing variables
For the venture section, calculate the velocity,mass flow rate, volume flow rate and the pressure at station two (the throat)with the properties of station one are as follows: Pressure is equal to 1.05 Bar, the temperature is recorded at 72 degrees F..
An Emergency Vehicle Siren is designed to emit an 8000 Hz sound. You hear a 9143 Hz tone as it approaches you at 40.0m/s and a 7273 Hz tone as it recedes at 32 m/s. What is the temperature of the air
A point source emits 26.2 W of sound isotropically. A small microphone intercepts the sound in an area of 0.121 cm2, determine the power intercepted by the microphone
A flat sheet is in the shape of a rectangle with sides of lengths 0.400m and 0.600m. Find the magnitude of the electric flux through the sheet
Using a theodolite, with a laser rangefinder, a researcher at point A locates a pair of rare birds nesting at point B, For observation from point C, determine the direction angles and distance to the nest at B
Four equal masses m are located at the corners of asquare of side script i connected by essentially massless rods. For the following answers you may use the symbols m for m,L for script i, and g for the acceleration ofgravity. Find the rotational ine..
A 15 N block lifted straight upward by a hand applying a force of 15 N has an initial kinetic energy of 7 J. What is the block's final kinetic energy
A box of mass 3 kg sits on a table. Neglect friction. You pull on a string tied to the right side of the box, exerting a force of 20.0 N at an angle of 30.0 degrees above the horizontal. Calculate the coefficient of friction with the surface
A rocket of total mass 3180 kg is traveling in outer space with a velocity of 115 m/s toward the Sun. how much mass must be expelled
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