Asmall box is held in place against a rough vertical wall bysomeone pushing on it with a force directed upward at 28 degreesabove horizontal. the coeffients of static and kineticfriction between the box and the wall are 0.40 and 0.30,respectively. the box slides down unless the applied forcehas a magnitude 23n. what is the mass of the box?
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Physics, 22.06.2019 23:30
Avector a⃗ has a length of 8.6 m and points in the negative x direction. find the x component of the vector −3.7a⃗ .
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2. circled insects have mutations, or changes to their dna. how many of the offspring insects in this generation have mutations?
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Physics, 23.06.2019 02:30
Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.
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Asmall box is held in place against a rough vertical wall bysomeone pushing on it with a force direc...
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