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A spring balance has a maximum reading of 10N and the length of the calibrated scale is 20cm.a rectangular metal block measuring
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Identical point charges of +1.1 ¦ÌC are fixed to three of the four corners of a square. What is the magnitude q of the
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2. 2,515 views
A proton and an electron are moving due east in a constant electric field that also points due east. The electric field has a
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2. 1,207 views
A 65.0-kg circus performer is fired from a cannon that is elevated at an angle of 55.8 ¡ã above the horizontal. The cannon
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2. 2,348 views

Identical point charges of +1.1 ¦ÌC are fixed to three of the four corners of a square. What is the magnitude q of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net

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