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Question: Consider an electron and a point charge of -1 μC. At first the two particles are at rest very far apart. What will be the change in the mass of this system if they are arranged to be at rest and 10mm apart?
Unpolarized light passes through two polarizers in turn with polarization axes at 41° to one another. What is the fraction of the incident light
at the science olympiad competition a group of middle school students uses a trebuchet that launches a tennis ball from
A molecule of DNA (deoxyribonucleic acid) is 2.07 µm long. The ends of the molecule become singly ionized: negative on one end, positive on the other. Determine the effective spring constant of the molecule
Draft Hypothesis and Design
If the mass of a sliding block is tripled at the equal time the net on it is tripled, how does the resulting acceleration compare with original acceleration?
A disk rolls down a slope. It rotational axis is its center of mass. It is rotation at a constant angular speed making 42.0 full revolutions in a time interval of 4.50 s. What is the total kinetic energy of the rolling disk
If the string makes an angle of 29? with the vertical, find out the centripetal force experienced by the ball. The acceleration of gravity is 9.8 m/s2 .
It is possible to shoot an arrow at a speed as high as 116 m/s. Determine how long would the arrow be in the air
The plates of a 3.1 nF parallel-plate capacitor are each 0.27 m^2 in area. If the plates are separated by a Teflon sheet, how thick is the sheet
A race car moves such that its position fits the relationship x(t) = (3.1 m/s) t + (0.98m/s3) t3 where x is measured in meters and t in seconds. find the average velocity during the 3.3 s.
using momentum newtons first law of motion and or newtons second law of motion explain how a rocket is launched deep
during the first stage of its launch a space shuttle goes from rest to 4996 while rising a vertical distance of 45.0.
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