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MT1_1 - Q1 Tarzan swings from tree to tree on a Vine At...

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Unformatted text preview: Q1. Tarzan swings from tree to tree on a Vine. At which point in his swing is the vine most likely to break and why? Tanglon has 'Hae, Qmpg€S+ Vagina QUE {bl/Lea Qowe’H (303d. The, Vine. is Mo3+ Elker «Lo brew;- at: Hm Pow. Amt H42, Qaaumswl QOFM: T Tam W mu} 9” W (N 2. T:-~ mg+w F‘g Q2. Find the acceieration of the left mass (111;) in a system shown in figure. Consider the following cases. a) m; = mg , 1)) 2113: W m; , c) m] << 111; , d) m; >> m2. (Draw the free body diagrams for the masses.) 0 I 19 Farm” par M2". Etrukéions orfl Moéfon: Q3. A hot air balloon is ascending up with a velocity of 20 m/s. A ball is thrown horizontally from the balloon with a velocity of 10 m/s when the balloon is 105 meters above the ground. 1. How long will it take the ball to hit the ground? 2. Where will the ball hit (x,y) ‘? 3. What will be the velocity, v, of the ball when it hits the ground? (Assume that the g = 10 m/sz) UL ’\ «to 31130,. ! +£1.93? floyu’lOW/s 11.105 "Slow/5‘ kdo": 7... fl“? 1" mle “4.191: 1 2.. Oates“: 9.0 tMMS’QG :1, 6M ._.Lf taut “21:0 =e 2: ?‘S X: max-{7494; :00)C?):?0M X:?’OM , 2:0 Q4. The position of a training heliCOpter of weight 2.75 x 105 N under test is given by r = (0.02 m/s3)t3 i + (2.2 m/s)t j w (0.06 m/32)t2 k (r is in meters and t is in seconds). Find the net force on the helicopter at t = 53. A $30” __—, 006 t1?+2.2.3‘ —- 042th OH: H A Suit—gmmfwomk cl»: 5‘ L.» W: 2,-'?‘§X40 N 3 Wan/Lg ) ms: 1,.?S“)HO kg \4 ‘4 A A Pwt=M3~ , PWJCQLLJCXW‘WUAM: game) PM; we x103)L+?u-i ) Aé £393 a}; xb3X403) (S‘LQ) (N) J \A Cue muesxwflLQWO‘fl (m) Q5. A wooden block slides down an inclined right—angied trough as shown in figure. The coefficient of kinetic friction between the block and the trough is pk. What is the magnitude of the acceieration of the block in terms of 11k, 8, and g? W (1:3)“);an 5/44 6039) ...
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