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# fp2 - 3 What is the work done by a{constant force F...

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Unformatted text preview: 3. What is the work done by a {constant} force F = («55.35 + SEC-EN on an ebj eat as it moves ﬂem F. = (—12.o?+1a.o}—4.ao£]m to F2 = (—3.00?-3.ﬂﬂj+ﬁ.ﬂﬂ£)m ? Wr— it? w A? = i=7: n (ewfa—zﬁﬂt'ﬁmﬁ} k; T. (-sw +51 :1 +26?) . {e21 — w Hag/um =[(-g5‘){e) +0009 +£5)607]NW ANSWER: [1/63. T 4. A cannon ﬁxes a ball at 46.0 m}: all-18° above the herizental. What maximum vertical height {above the eannen’e position) does the ball reach? A9... : LEW = Gee)“ M35" ‘ 25 mm) ANSWER: may 5. Find the cross product a x E if E = 4.00? + 5110 j and E = 5m} +1105; . (~21? xé'j‘ +(—2é‘xrzﬁ} we): Are) {63‘ Mi) W”, L/"Yr—J m—J’ W tr .5! I -‘ . A 72 c E )0? .. 241/; 3‘) J fix-B, [I msm Zf+ 2 A42? ...
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