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A proton and an electron are moving due east in a constant electric field that also points due east. The electric field has a magnitude of 7.0 × 104 N/C. Determine the magnitude of the acceleration of the proton and the electron.
A rod 50 cm long and 1.0 cm in radius carries a 2.0 microC charge distributed uniformly over its length. Find the approximate magnitude of the electric field
question1consider a thin rod of mass 1.4 kg length 2.7 m and uniform density. the rod is pivoted at one end on a
Two loudspeakers in a 20°C room emit 629 Hz sound waves along the x-axis, If the speakers are out of phase, what is the smallest distance between the speakers for which the interference of the sound waves is constructive
The front end of an automobile has been designed so that upon impact it progressively crumples by as much as .70m. What is the magnitude of the deceleration
A wire 1 meter long and has a mass of.3kg. it is streached was a tension of 3.4N. What is the speed of any wave sent down the wire
In state-of-the-art vacuum systems, pressures as low as 1.00* 10-9 Pa are being attained. Calculate the number of molecules in a 1.80-m3 vessel at this pressure and a temperature of 26.0°C.
An "extreme" pogo stick utilizes a spring whose uncompressed length is 48 and whose force constant is 1.1×104. Calculate her upward acceleration, in g's at that moment
In a single-slit experiment, light of wavelength 500 nm is used to produce a diffraction pattern on a screen 4.0 m away. what is the slit width
Medical technicians use small centrifuges to isolate blood cells. How far are the test tubes from the rotation axis
Assume you are swimming in a river while a friend watches from the shore. In calm water, you swim at a speed of 1.25 m/s. The river has a current that runs at a speed of 1m/s.
A river flows due south with a speed of 2.30 . A man steers a motorboat across the river; his velocity relative to the water is 4.40. find How much time is required to cross the river
The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions. What is the resistance of the ion channel
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