At time t = 0 , a student throws a set of keys vertically .. At time t=0, a student throws a set of keys vertically upward to her sorority sister, who is in a window at distance h above. The second student catches the .Questions & answersTopprQuestionA student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00 m above. The second student catches the keys 1.50 s later. (a) With what initial velocity were the keys thrown? (b) What was the velocity of the keys just before they were caught?Answer · 44 votesWe model the keys as a particle under the constant free - fall acceleration. Take the first student’s position to be yi = 0 and the second student’s position to be yf = 4.00 m . We are given that the time of flight of the keys is t = 1.50 s , and ay = - 9.80m/s^2 (a) We choose the equation yf = yi + vyit + 12ayt^2 to connect the data and the unknown.we solve vyi = yf-y_i- 12ayt^2t and substitute, vyf = 4.00m - 12( - 9.80m/s^2)(1.50s)^21.50s = 10.0m/s (b) The velocity at any time t>0 ios given by vyf = vyi + ayt Therefore, at t = 1.50s vyf = 10.0m/s - (9.80m/s^2)(1.50s) = - 4.68m/s The negative sign means that the keys are moving downward just before they are caught.MoreCheggQuestionA student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00m above. The second student catches the keys 1.50s later. (a) With what initial velocity were the keys thrown? (b) what was the velocity of the keys just before they were caught?Answer · 1 voteGiven that, (a) fromMoreStudy.comQuestionA student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00.Answer · 0 votesGiven data:• The distance travelled by keys is s=4.00m.• The time taken by keys during its travel is t=1.50s.(a)The expression for the initial velocity of the keys thrown is given as,s=ut+12gt2Here, g is the acceleration due to gravity and its standard value is 9.81m/s2.Substitute values in the above expression.4.00m=(u×1.50s)+[12×(−9.81m/s2)×(1.50s)2]u=10m/sThus, the initial velocity of the keys thrown is 10m/s.(b)The expression for the velocity of the keys just before they caught is given as,v=u+gtSubstitute values in the above expression.v=10m/s+(−9.81m/s2×1.50s)v=−4.68m/sHere, -ve sign indicates that the direction of keys are downward.Thus, the velocity of the keys just before they caught is 4.68m/s.MoreStudocuQuestionA student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00 m above. The keys are caught 1.50 s later by the sister’s outstretched hand. (a) With what initial velocity were the keys thrown? (b) What was the velocity of the keys just before they were caught?Answer · 0 votesa) Apply the second kinematic equation along the vertical motion and substitute the required values to determine the value of the initial velocity. h = u t - 1 2 g t 2 4 m = u 1 . 50 s - 1 2 9 . 81 m/s 2 1 . 50 s 2 u = 10 . 024 m/s u ≈ 10 m/s -- b) Apply the first kinematic equation along the vertical motion and substitute the required values to determine the value of the final velocity. v = u - g t v = 10 m/s - 9 . 81 m/s 2 1 . 5 s v = - 4 . 715 m/s Here, the negative sign indicates that the set of keys is moving downward before they are caught.MoreQuoraQuestionA student throws a set of keys vertically upward to her sorority sister, who is in a window 4 m above. The keys are caught 1.5 s later by the sister’s outstretched hand. (a) With what initial velocity were the keys thrown?Answer · 2 votesA student throws a set of keys vertically upward to her sorority sister, who is in a window 4 m above. The keys are caught 1.5 s later by the sister’s outstretched hand. (a) With what initial velocity were the keys thrown?MoreBartleby.comQuestiona student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00m above. the second student catches the keys 1.50 s later.with what initial velocity were the keys thrown? what was the velocity of the keys just before they were caught?Answer · 0 votesStep 1 .MorePearsonQuestionA student throws a set of keys vertically upward to her sorority .Answer · 6 votes(a) v0y=16.7 m/s(b) vy=2 m/sMoreStudy.comQuestionA student throws a set of keys vertically upward to his fraternity brother, who is in a window.Answer · 0 votesGiven:• Height y=4 m• Time t=1.5 sPart A:The initial velocity of the keys isy=yi+vit−12gt24 m=0+vi(1.5 s)−12(9.8 m/s2)(1.5 s)2vi=10.02 m/sPart B:The velocity of the keys just before they were caught isvf=vi−gtvf=10.02 m/s−(9.8 m/s2)(1.5 s)vf=−4.68 m/sNegative sign means the keys are moving downward.MoreBrainlyQuestion4. A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00 m above. The second student catches the keys 1.50 s later. (a) With what initial velocity were the keys thrown? (b) What was the velocity of the keys just before they were caught?​Answer · 3 votesAnswer: a) 10.0 m/s b) -4.68 m/s Explanation: Given: y₀ = 0 m y = 4.00 m t = 1.50 s a = -9.8 m/s² Find: v₀, v y = y₀ + v₀ t + ½ at² 4.00 = 0 + v₀ (1.50) + ½ (-9.8) (1.50)² v₀ = 10.0 m/s v = at + v₀ v = (-9.8) (1.50) + 10.0 v = -4.68 m/sMoreBrainlyQuestionA student throws a set of keys vertically upward to his fraternity brother, who is in a window 4.00 m above. The brother’s outstretched hand catches the keys 1.50 s later. (a) With what initial velocity were the keys thrown? (b)What was the velocity of the keys just before they were caught?Answer · 0 votesAnswer:10.02 m/s4.68 m/sExplanation:Givenheight of building=4 mtime taken=1.5 s(a)Let u be the initial velocity using equation of motion[tex]s=ut+frac{gt^2}{2}[/tex][tex]4=utimes 1.5-frac{9.81times 1.5^2}{2}[/tex][tex]8=utimes 3-9.81times 2.25[/tex]u=10.02 m/s(b)Velocity of keys just before keys were caught[tex]v^2-u^2=2as[/tex][tex]v^2=10.02^2-2(-9.81)cdot 4[/tex][tex]v^2=21.92[/tex][tex]v=sqrt{21.92}=4.68 m/s[/tex]MoreQuizletQuestionA student throws a set of keys vertically upward to his fraternity brother, who is in a window 4.00 m above. The brother’s outstretched hand catches the keys 1.50 s later. With what initial velocity were the keys thrown?Answer · 0 votesHere the height of the window where hand catches the keys $S = 4.00,mathrm{m}$.The time period between throw and catch $t = = 1.50,mathrm{s}$.Here the motion of the keys is only under gravitational force so the acceleration $a = -,g = -,9.8,mathrm{m,s^{-1}}$.$textbf{(a)}$ Now as we know from the kinematic equation$$begin{align*}S = v_{text{i}},t + frac{1}{2},a,t^2tag{1}end{align*}$$By rearranging the above equation, we get$$begin{align*}v_{text{i}} & = frac{2,S - ,a,t^2}{2,t}& = frac{2,times 4.00,mathrm{m} - ,left(-,9.8,mathrm{m,s^{-1}}ight),times left(1.50,mathrm{s}ight)^2}{2,times 1.50,mathrm{s}}& = 10.0,mathrm{m,s^{-1}}end{align*}$$ $textbf{(a)}$ $v_{text{i}} = 10.0,mathrm{m,s^{-1}}$MoreCourse HeroQuestionAt time t=0, a student throws a set of keys vertically upward to her sorority sister, who is in a window at distance h above. The second student catches the keys at time t.(a) With what initial velocity were the keys thrown?Answer · 0 votesvi = (h+4.9t2)/tMoreDoubtnutQuestion(a) A student throws a ball vertically upward so tha it just reaches the height of window on th second floor of a dormitory. At the same time the ball is thrown upward, a student at the windoe drops a ball. Are the mechanical energies of the ball the same at half the height of the window ? Exaplain (b) What does work- energy theorem state ?Answer · 1058 votes(a) Yes. When the thrown-up ball is at maximum height, its velocity is zero so it has same energy as the dropped ball. Since the total energy of each ball is conserved, both the balls will have same mechanical energy at half the height of the window. As a matter of fact, both the balls will have the same kinetic and potential energy at half height position. (b) Work done = change in KE (or PE)More Feedback Web resultsA student throws a set of keys vertically upward to her .. Thus, the velocity of the keys just before they caught is 4.68 m / s . Help improve Study.com. Report an Error.1 answer  ·  Top answer: Given data:• The distance travelled by keys is s=4.00m.• The time taken by keys during its travel is t=1.50s.(a)The expression for the .A student throws a set of keys vertically upward to her sorority. A student throws a set of keys vertically upward to her sorority sister who is in a window 14.00 m above. The second student catches the keys 1.50 s later.3 answers  ·  Top answer: (a) v0y=16.7 m/s(b) vy=2 m/s Rockford Dry Cleaners, A student throws a set of keys vertically upward to her .. A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00m above. The second student catches the keys 1.50s later.1 answer  ·  Top answer: We model the keys as a particle under the constant free - fall acceleration. Take the first student’s position to be yi = 0 and the second student’s . American Express Patagonia, Answered: a student throws a set of keys…. SciencePhysicsa student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00m above. the second student catches the keys .1 answer  ·  Top answer: Step 1 . Stamford Dry Cleaners, A student throws a set of keys vertically upward to . - YouTube. 3:19A student throws a set of keys vertically upward to his fraternity brother, who is in a window 4.00 m above. The brother's outstretched hand .YouTube · WNY Tutor · Feb 8, 20166 key moments in this video Tustin Dry Cleaners, 4. A student throws a set of keys vertically upward to her .. Sep 7, 2019 — 4. A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00 m above. The second student catches the keys . Victor Dry Cleaners, A student throws a set of keys vertically upward to her .. 8 answersA student throws a set of keys vertically upward to her sorority sister, who is in a window 4 m above. The keys are caught 1.5 s later by the sister's .At time t0 a student throws a set of keys vertically upward .. At time t = 0 , a student throws a set of keys vertically upward to her sorority sister, who is in a window at distance h above. The second student catches .[Solved] A student throws a set of keys vertically upward to .. A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00 m above. The keys are caught 1.50 s later by the sister's .1 answer  ·  Top answer: a) Apply the second kinematic equation along the vertical motion and substitute the required values to determine the value of the initial velocity. h = .student throws set of keys vertically upward to her sorority .. student throws set of keys vertically upward to her sorority sister; who is in window 2.40 m above The second student catches the keys 2.00 later: (a) With .4 answers  ·  Top answer: student those a set of keys to another student as four meters above the first. In 1.5 seconds .A student throws a set of keys vertically upward to his .. Sep 30, 2019 — A student throws a set of keys vertically upward to his fraternity brother, who is in a window 4.35 m above. The brother's outstretched hand .1 answer  ·  Top answer: Answer:10.02 m/s4.68 m/sExplanation:Givenheight of building=4 mtime taken=1.5 s(a)Let u be the initial velocity using equation of motion[tex]s=ut+frac{gt^2}{2} .A student throws a set of keys vertically upward to his. Jun 14, 2023 — A student throws a set of keys vertically upward to his . Need Homework Help? Download Kunduz Now. Ask your questions and get answers from real . Rating: 4.9 · ‎17 votes Australis Cruise Patagonia, TEST #1. PDFA student throws a set of keys vertically upward to his fraternity brother, who is in a window. 4.30 m above. The brother's outstretched hand catches the . Woodland Dry Cleaners, 12. At time t=0, a student throws a set of keys vertically .. Mar 6, 2023 · 1 answerSolution For 12. At time t=0, a student throws a set of keys vertically upward to her sorority sister, who is in a window at distance h . Charcuterie Board Hobby Lobby, A student throws a set of keys vertically upward to his .. A student throws a set of keys vertically upward to his fraternity brother, who is in a window 4.00 m above. the brother's outstretched hand catches the .1 answer  ·  Top answer: a) 10.0 m/s b) -4.7 m/s The formula for distance under constant acceleration is d = 0.5AT^2 The formula for distance with a specified velocity is d = VT . Floral Picks Hobby Lobby, Motion in One Dimension II. PDFAn object is thrown up in the air and reaches its maximum height in 2 seconds. . A student throws a set of keys vertically upward to her sorority sister, . Adidas D Rose 4 Restomod, A student throws a set of keys vertically upward to his frat. Find step-by-step Physics solutions and your answer to the following textbook question: A student throws a set of keys vertically upward to his fraternity .1 answer  ·  Top answer: Here the height of the window where hand catches the keys $S = 4.00,mathrm{m}$.The time period between throw and catch $t = 1.50,mathrm{s}$. .1-D Motion Problems. PDFA student throws a set of keys vertically upward to her sorority sister, who is in a . What was the velocity of the keys just before they were caught?A student throws a set of keys vertically upward to his .. A student throws a set of keys vertically upward to his fraternity brother, who is in a window 4.00 4.00 4.00 m above. The brother's outstretched hand .1 answer  ·  Top answer: The keys were thrown with initial velocity = 10.02m/sI think this problem is correct: acceleration upward at a frat .. Aug 31, 2013 · 22 posts · 1 authorA student throws a set of keys vertically upward to his fraternity brother, who is in a window a distance h above. The brother's outstretched .Images for a student throws a set of keys vertically upward. A student throws a set of keys vertically upward to her sorority sister, who is in a window 4 m above. The keys are caught 1.5 seconds later by the sister's .Chapter 2 Motion in One Dimension. PDFThe ball strikes the ground 1.78s after being thrown. 15. A student throws a set of keys vertically upward to her sorority sister in a window 4.00 m above. Hobby Lobby Braintree Ma, Could you please help with this question. May 2, 2023 — A student throws a set of keys vertically upward to his fraternity brother, who is in a window 3.95 m above. The brother's outstretched hand .1 answer  ·  Top answer: a) Let's use the main kinematics equation; H = VoT + 1/2GT23.95 = Vo x 1.75 - 1/2 x 9.8 x 1.7523.95 = 1.75Vo - 15Vo = 18.95/1.75 ≈ 10.83 m/sb) Vf = Vo . Baboon To The Moon Vs Patagonia, Oct 2020 – Feb 2021 Course: PHY433 Fundamental Physics. PDFA student throws a set of keys vertically upward to her sister, who is in a window 4.00 m above. The sister catches the keys 1.50 s later. (a). With what . Hobby Lobby Columns, [College Physics] Kinematics : r/HomeworkHelp. Sep 18, 2013 — "At time t=0, a student throws a set of keys vertically upward to her sorority sister, who is in a window at distance h above. Hobby Lobby Cow Print Fabric, Chapter 2. PPTA ball is thrown upward from the ground with an initial speed of 25 m/s; . A student throws a set of keys vertically upward to her sorority sister, . Back Roads Patagonia, IB 1D motion equation review.docx. DOCIt accelerates with a constant upward acceleration of 2.00 m/s2 until its . A student throws a set of keys vertically upward to her sorority sister, .AP Physics - Chapter 2 Problem Set. PDFThe velocity of the pin is directed upward on the ascending part of its . 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