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A positively charged bead having a mass of 1.00 g falls from rest in a vacuum from a height of 7.50 m in a uniform vertical electric field with a magnitude of 1.00 multiplied by 104 N/C. The bead hits the ground at a speed of 26.1 m/s.
(a) Determine the direction of the electric field.
(b) Determine the charge on the bead.
In an X-ray scattering measurement the first order diffraction peak is observed at ? = 16.5°. What is the angle of the third order peak
q1. a highway curve of radius 500 m is designed for traffic moving at a speed of 96.0 kmhr. what is the accurate
How much kinetic energy will an electron gain (in joules) if it accelerates through a potential difference of 1.30×104V
a 2.00 kg block is pushed against a spring with negligible mass and force constant k 400 nm compressing it 0.220m.
An airplane with a speed of 89.1 m/s is climbing upward at an angle of 48.4 ° with respect to the horizontal. determine the angle of the velocity vector of the package just before impact
A sperical source ratiates sound uniformly in all directions. At a distance of 18m, the sound intensity level is 100dB. what power is radiated by this source
A conducting rod slides down between two frictionless vertical copper tracks at a constant speed of 4.0 m/s perpendicular to a 0.50-T magnetic field, What is the mass of the rod?
A simple harmonic oscillator is undergoing oscillations with an amplitude A. How far is it from its equilibrium position when the kinetic and potential energies are equal?
The area of a typical eardrum is about 5.0 × 10?5 m2. Calculate the sound power incident on an eardrum at the threshold of pain
The intensity of sunlight that reaches Jupiter (orbiting at about 5 AU) is approximately what fraction of that at Earths orbital distance.
an electron moving through an electric field experiences an acceleration of 7100 times 103 ms2. find the magnitude of
The artery in the figure has an inside diameter of 2.75 mm and passes through region where the magnetic field is 0.65 T. what is the speed of the blood
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