2.1.2.1 2 Two Dimensional Problems online
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3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah 2.1.2.1 2 Two Dimensional Problems e Due Oct 12, 2023 at 11:59pm Points 11 Questions 11 Available Oct 3, 2023 at 12am - Oct 27, 2023 at 11:59pm Time Limit None Allowed Attempts Unlimited Instructions In this activity, you will introduce problem-solving strategies for projectiles launched horizontally and at angles. Before you begin, you'll need one meter stick, one stopwatch, and one ball. As you work through the problems consider the following Guiding Questions: 1. What are the advantages of breaking vectors into vertical and horizontal components? 2. What happens to the velocity in the x-direction as the projectile moves? 3. What happens to the velocity in the y-direction as the projectile moves? 4. What is the maximum height the projectile reaches dependent on? 5. What is the range of the projectile dependent on? 6. What happens to the projectile at its highest point? How do you know? You will be asked to submit a photo of your work at the end of this assignment. You can download and print the original handout here (https://onramps.instructure.com/courses/3820435/files/265668203/download? wrap=1)_ (https://onramps.instructure.com/courses/3820435/files/265668203/download? download frd=1). This quiz was locked Oct 27, 2023 at 11:59pm. ATTEMPT HISTORY https://onramps.instructure.com/courses/3820435/quizzes/10615181 1/9
3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah Attempt Time Score KEPT Attempt 2 352 minutes 6 out of 11 LATEST Attempt 2 352 minutes 6 out of 11 Attempt 1 862 minutes Ooutof 11~ * Some questions not yet graded (D Correct answers are hidden. Score for this attempt: 6 out of 11 Submitted Oct 10, 2023 at 7:23pm This attempt took 352 minutes. Question 1 1/1 pts A boy throws a water balloon such that it hits his sister standing 10m away. The boy threw the water balloon at an angle of 35 degrees. How hard did he throw the balloon? 10.2174 Question 2 1/1 pts A girl throws a marshmallow that lands in her friend’s mouth 2 m away. The girl threw the marshmallow at an angle of 30 degrees. How hard did she throw the marshmallow? 4.7598 IncorrectQuestion 3 0/1pts Use the information below to answer the following questions, A box falls out of an airplane that is traveling horizontally at 100m/s. The plane is at an altitude of 300m. Where does the box land relative to where it was dropped from? 553.0013 IncorrectQuestion 4 0/1pts A picnic basket falls out of a hot air balloon that is traveling horizontally at 14 m/s. The hot air balloon is at an altitude of 250 m. Where does the picnic basket land relative to where it was dropped from? https://onramps.instructure.com/courses/3820435/quizzes/10615181 2/9
3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah 70.6746 IncorrectQuestion 5 0/1pts A sharpshooter fires a 0.22 caliber rifle horizontally at 100 m/s at a target 75m away. How far does the bullet drop by the time it reaches the target? 7.3575 IncorrectQuestion 6 0/1pts A physics book slides off a horizontal table top with a speed of 1.25m/s. It strikes a floor in 0.4s. What's the speed with which the book strikes the floor? 3.924 Use the information below to answer the following questions. At a circus, a human cannonball is shot from a cannon at 15m/s at an angle of 40° above horizontal. She leaves the cannon 2m off the ground and lands in a net Tm off the ground. Question 7 1/1 pts What height does she reach? 6.7383 IncorrectQuestion 8 1/1 pts How much ground distance does she cover? 24.7739 IncorrectQuestion 9 0/1pts A football kicker lines up to kick a game winning kick. The goalpost is 30m away and the ball must clear the 3.3m high cross-bar. If the kick leaves his foot at an angle of 35 degrees, how fast must the kick be https://onramps.instructure.com/courses/3820435/quizzes/10615181 3/9
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3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah to be good (assuming no one blocks it)? 23.7 Question 10 1/1 pts Upload: Submit a photo of your work here. You may submit your work in one of the following ways: Embed animage | Upload a JPG or PNG using the Image Upload Upload a document | Upload a Document Your Answer: https://onramps.instructure.com/courses/3820435/quizzes/10615181 4/9
3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah https://onramps.instructure.com/courses/3820435/quizzes/10615181 5/9
3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah FV. TR T T T T R e |3 Name: Mechanics, Heat, and Sound (PHY 302K) et 75m away. How far 5. Asharpshooter fires a 0.22 caliber rifle horizontally at 100 m/s at atdis does the bullet drop by the time it reaches the target? e va o [ i [ floorin 6. A physics book slides off a horizontal table top with a speed of 1.25m/s. It strikes a 0.4s. What's the speed with which the book strikes the floor? Z45% ¢ / :n e (-21) (o7 2.914M/4 — AL 9. 7ha £ ! . . 2 “Cin. \\ U6 (;(/] 7’9)( 7. Ata circus, a human'cannonball is shot from a cannon at 15m/s at an angle of 40° above horizontal. She leaves the cannon 2m off the ground and lands in a net 1m off the ground. What height does she reach? How much ground distance does she cover? é - Q\ . bl q m (’L s C\ P e R B VK:((’%OOéGG(/I . p(n:\l 5 VE2 (6 5Taq TA&L"S("( o L26.73%3 m Vb~ 4,097 b R 2 4.0917 1414 T =70 N 8. Afootball kicker lines up to kick a game winning kick. The goalpost is 30m away an must clear the 3.3m high cross-bar. If the kick leaves his foot at an an I ‘ e of 35 degrees, fast must the kick be to be good (assuming no one blocks it)? ¢ ; fio ‘ )~ (V°(a%35) //-—\ ‘_/\_ / \\ { 0( Wl T 30 s 514" 24 TEXAS L Uiy praity vf Trass uf Avesting ( Vo 735 hi4 PHY 302K | 2 T ORI S RS Ll ; J 7 https://onramps.instructure.com/courses/3820435/quizzes/10615181 6/9
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3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah T s https://onramps.instructure.com/courses/3820435/quizzes/10615181 7/9
3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah ([apd > ) (zr Flard = veloe nd Sound - PHY 302K Mechanics, Heat, a $)OnRamps - Two Dimensional Problems on such that it hits his sist le of 35 degrees. How ha er standing 10m away. The boy threw T bRl 2 rd did he throw the balloon? the water balloon at an ang YA | { 4’(4 Z(?{- U2 (92074 | | - n her friend’s mouth 2 m away. The girl threw the 2. Agirl throws a marshmallow that lands i : £ mgrshmallow at an angle of 30 degrees. How hard did she throw the marshmallow? Vi o JiaiNes) G G239 R [1 - b 1548 3. Abox falls out oan airplane that is traveli altitude of 300m. Where does the box land re S m— GAREEY 0 omlidn horizontally at 100m/s. The plane is atan lative to where it was dropped from? 4. A picnic basket falls out of a hot air balloon that is traveling horizontally at 14 m/s. The hot air balloon is at an altitude of 250 m. Where does the picnic basket land relative to where it was dropped from? = , AR ()=o) LEAAS PHY 302K | 1 T Uriiversity of Tenas af Soviis https://onramps.instructure.com/courses/3820435/quizzes/10615181 S AT e e R A T L ey S R P el 5055 = s S : 0 A ST e N I J NS o ot Nl e - S Ty B SN T SR SR ettt 8/9
3/7/24, 8:48 PM 2.1.2.1 2 Two Dimensional Problems: Mechanics, Heat, & Sound - HS - Wilkes, Deborah I 2 R e D R e e A e g L S L RS A S Question 11 1/1pts Reflection: What is a question you still have after completing this activity? What is something new you learned? Your Answer: none the formula to initial velocity Quiz Score: 6 out of 11 https://onramps.instructure.com/courses/3820435/quizzes/10615181 9/9
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