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A proton has an initial speed of 4.9 x 105 m/s.
(a) What potential difference is required to bring the proton to rest?(b) What potential difference is required to reduce the initial speed of the proton by a factor of 4?(c) What potential difference is required to reduce the initial kinetic energy of the proton by a factor of 4?
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a flat surface with area 2.2 m2 is in a uniform electric field of 910 nc. what is the electric flux through the surface
A pair of slits, separated by 0.200mm, is illuminated by light having a wavelength ofλ = 592 nm. Aninterference pattern is observed on a screen 130 cm from the slits. Consider a point on the screen located at y = 1.90 cmfrom the central maximum of th..
An element in its solid phase forms a cubic crystal lattice with mass density 7950 kg/m^3. What is the element's atomic mass number
What is an approximate absorbed dose rate in Gy per day in water at the center of the bucket if 163 atoms of Cs-137 disintegrate per g s? Use the straight-ahead approximation and mean-radius method of calculating the photon dose. Give the answers for..
A microwave oven operates at 2.4 GHz with an intensity inside the oven of 2350W/m^2. What is the amplitude of the oscillating electric field
A particle starts from rest at x = 0 and moves for 15.7 s with an acceleration of +2.25 cm/s2. find the position of the particle at the end of this motion
question1a 12.0kg shell is launched at an angle of 55.0 degrees above horizontal with an initial speed of 150 ms. when
If the coefficient of static friction is 0.951, illustrate what is the maximum speed that the car can take without skidding?
A Federation star ship (2.0×10^6 kg) uses its tractor beam to pull a shuttlecraft (2.0×10^4 kg) aboard from a distance of 10.0 km away. The tractor beam exerts the constant force of 2.50 X 10^4N on the shuttlecraft. Both spacecraft are initially a..
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