Speed, Velocity and Acceleration Problems

University:
Boston University
Course:
CAS PY 252 | Principles of Physics 2
Academic year:

2019
Views:

422

Pages:

2
Author:

SpaceCadet101

Spccd, V clocit)·, and Accelcгation Probleшs 1; se уоuг 0\\7::\ PAPJ:::R, and show Л] ,L woгk. Show the fonnula uscd, the sc1up, an(i the ans\;vei- witl1 tl1e 1 сопесt tшits. 1. Pete is diiving down i11 s1гect. IIecirives 150 meter-s in 18 seconds. Assuшing he does not speed ur 01· slow down, v,1hat is ms speed in шetcrs per- second? S � \ SOr'\A.- =- 5/· 3 ,м,/ S \СЭ' s 2. Л personjogs 4.0 km in 32 minutes, then 2.0 km iл 22 minutes, ancl finally 1.0 km i11 16 minutes. What is the joggeг's average speed iп km pcr minute? '11 '1� � '1 ом.,: O·I k.� 1"\ V\A,,\'" 3. А tгаiп trю1c1s J 20 km in 2 hours and 30 miнutes. What is its avcrage speed? ( .2.-М 3 о (\А.А,\,. с ..... ,50\ ,м,.•... ) 4. А plaпe·s averagc speed between two cities is 600 kш/hr. I[the trip takes 2.5 Ьi-s. how fаг does thc planc Лу? ft,(X:) kwt,f v =- А_ :J. 'Sh-r ct = (lPcю�w)(�·�) с \,S"'e:n> � 5. George walks to а friend's housc. Не walks 750 meter·s North, then realizes he walked too far. Нс tums aroнnd and walks 250 meters South. The eлtii-e walk takes him 13 seconds. \Vhat is his speed per second? -.. Iл pi-oЬ!em #5, what \Vas George's velocity in meteгs per second? (hint: draw а picture to find l1is displaceшent) \J e,,\,ou ·'°J Wvw..G-L ½е._ °'-�� v.л'+� $��ol- dA -r ee,,,t, '$чL.. 7. А ro]Jer coastei-' s vclocity at the top o-f а hill is 1 О m/s. Two seconds later it i-eacl1es the bottoш of the llill witll а velocity of 26 m/s. What \Vas the acceleration of the coastei-? а,:= � tD � \ - \ о 'М,,(� � s =- \� �i.s �� s 2...