Mathematics, 21.09.2019 01:40 rebecabosca
(1 point) suppose f⃗ (x, y)=−yi⃗ +xj⃗ f→(x, y)=−yi→+xj→ and cc is the line segment from point p=(4,0)p=(4,0) to q=(0,5)q=(0,5). (a) find a vector parametric equation r⃗ (t)r→(t) for the line segment cc so that points pp and qq correspond to t=0t=0 and t=1t=1, respectively. r⃗ (t)=r→(t)= < 4,0> +t< -4,5> (b) using the parametrization in part (a), the line integral of f⃗ f→ along cc is ∫cf⃗ ⋅dr⃗ =∫baf⃗ (r⃗ (t))⋅r⃗ ′(t)dt=∫ba∫cf→⋅dr→=∫abf→(r→(t))⋅r→′ (t)dt=∫ab 20 dtdt with limits of integration a=a= 0 and b=b= 1 (c) evaluate the line integral in part (b). 20 (d) what is the line integral of f⃗ f→ around the clockwise-oriented triangle with corners at the origin, pp, and qq
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Mathematics, 22.06.2019 02:00
Acompany had forty one employees and ordered nine hundred eighty uniforms for them. if they wanted to give each employees the same number of uniforms, how many more uniforms should they order so they don't have any extra
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(1 point) suppose f⃗ (x, y)=−yi⃗ +xj⃗ f→(x, y)=−yi→+xj→ and cc is the line segment from point p=(4,0...
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