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Questions (13)
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in
0 answers
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A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in
0 answers
543 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
1 answer
701 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
1 answer
613 views
Calculate the speed of an electron that is accelerated through the potential difference of 123 V.
0 answers
565 views
An electron moving parallel to the x axis has an initial speed of 3.66 ✕ 106 m/s at the origin. Its speed is reduced to 1.40
1 answer
563 views
A large, flat, horizontal sheet of charge has a charge per unit area of 2.05 µC/m2. Find the electric field just above the
1 answer
735 views
In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is
1 answer
706 views
(a) Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the
0 answers
661 views
Nobel laureate Richard Feynman (1918-1988) once said that if two persons stood at arm's length from each other and each person
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1,303 views
A 120-V motor has mechanical power output of 2.20 hp. It is 92.0% efficient in converting power that it takes in by electrical
1 answer
725 views
what is the definition of chemorganic
2 answers
334 views
how can we write 17. march.2011 in 5 letters without using any numbers
2 answers
429 views
Answers (1)
Number of days in which both Tom and Jerry can finish the job =15 Work to be done by tom in 15 days @ 3days per work =15/3=5 Work to be done by jerry in 15 days @ 1day per work=15/1=15 Work done by both of them in 15days=5+15=20 No. of days in which Tom
