TRAIN LENGTH UA km Virain km/h km/h car travelling with constant speed of 141 km/h overtakes à 1 km long train travelling diręction on a track parallel to the road (see figure). If the train constant speed of 64 km/h, then A a in the same is moving with a a) How long does the car take to pass the urain? 46.7 S h) How for tho

TRAIN LENGTH UA km Virain km/h km/h car travelling with constant speed of 141 km/h overtakes à 1 km long train travelling diręction on a track parallel to the road (see figure). If the train constant speed of 64 km/h, then A a in the same is moving with a a) How long does the car take to pass the urain? 46.7 S h) How for tho

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter3: Motion Along A Straight Line

Section: Chapter Questions

Problem 84AP: Unreasonable Results A cyclist rides 16.0 km east, then 8.0 km west, then 8.0 km east, then 32.0 km...

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Unreasonable Results A cyclist rides 16.0 km east, then 8.0 km west, then 8.0 km east, then 32.0 km west, and finally 11.2 km east. If his average velocity is 24 km/h, how long did it take him to complete the trip? Is this a reasonable time?
The velocity after 2 second would be:? 8) The equabion of motion of a parbicle is s-2t-36-36t, where s is in meters and & is in seconds, ) the accelera tion aftes 1 sec is ? mps Conetersper secono B 2) The ecceleration when the ve locity is o is ?
Packge is droped fom a helicopter Bat is desconding ata Censtout speed Vo = 4.0 m/s A a) After t= 2os have elapsed, what is the speed of the pockoge 8 'its distonce from the helicopter? above the 5) sketch the time depondence of the ground, its velocity & acceleration after it isreleased from heli. Peckep's heght.
=2.Aparticle, atrest, was initially moving at a constant acceleration of 10 m/s. Howfarwillyou travel in (a) 20 secomds and (b) 4.0 seconds? If the initial velocity of this objectwas 4 m/s, then howfarwould it travelin (c) 2.Os and (d) 4.0s?
Cars A and B are travelling in the somu direction at the samo spead of 20 kph along a lovel rood with a Cor A ISDM ahead of car B. Car A decelerates at 2 m/3. from this mstant up to the fime Cor B overtakes Car A, how fer in meters has Car A traveled?
Figure 2 shows that a river has a steady speed of virer- Sam swims upstream for a distance of 2.00km and returns to the starting point. If Sam can swim at a speed of 1.50 m/s in still water, Vdownstream Vupstream Starting point Vriver Figure 2 calculate (a) the time taken for the round trip if vrirer = 0. (b) Sam's velocity with respect to the river bank when he swims upstream if V'river = 0.800 m/s. (c) Sam's velocity with respect to the river bank when he swims downstream if vriver = 0.800 m/s. (d) the time taken for the round trip if v-iver = 0.800 m/s.
2. We are given the velocity funtion of mouing car Along an east-wed4 highung is V(4) = 3€²-24 where t- hours afterho and distance is measured east is the positive direction, in miles, Note that going A If st) is the position in miles from Norton Tewn Mall and at 1 pm the car was at Norton Town Hall, find S(4) B) What was the average velocity of the car from Zpm to 5 pm! Include units of measurementi ) Set up o formula involving either s(E) or the total distance trave lled by the objét from Ipm to tpm? Answer simpligye v(t) that gves must have s" er v's in it. Do not
ENDY Correction Fl MULTEPUR NGER VERNIS classique emsidov ealtas coms -- A race car accelerates uniformly from 19.5 m/s to 50.1 m/s in 2.47 seconds. Determine the acceleration of the car and the distance traveled. bne colece 26 abnswnwab so grilli aiabr let ei loon A I 2sw iedW.\maE 3. An engineer is designing the runway for an airport. Of the planes that will use the airport, the lowest acceleration rate is likely to be 3 m/s?. The takeoff speed for this plane will be 70 m/s. Assuming this minimum acceleration, what is the minimum allowed length for the runway? =p exlew 29cot CMO CO SLONU SUGIL SC 4. A bullet leaves a rifle with a muzzle velocity of 521 m/s. While accelerating through the barrel of the rifle, the bullet moves a distance of 0.740 m. Determine the acceleration of the bullet (assume a uniform acceleration). E2026 30 0 KUN Abooga lenil 5. A bullet is moving at a speed of 367 m/s when it embeds into a lump of moist clay. The bullet penetrates for a distance of 0.0621 m.…
A minivan is tested for acceleration and braking. In the street-start acceleration test. the elapsed time is 8.2s for a velocity increase trom 10 kav/h to 100 km/h. In the braking test, the distance traveled is 44 mi during braking to a stop from 100 knvh. Assuming constant values of acceleration and deceleration, determine to the acceleration during the street-start test, ib) the deceleration during the braking test. Fig. P11.34
5. Derive a formula that relates the displacement, final velocity, time and constant acceleration of an object in UARM (Uniformly Accelerated Rectilinear Motion). Use that formula to find the time it takes for a particle to attain a velocity of 30" given that the constant acceleration is 6 and the particle's displacement is 25m to the left of the origin. Supnoce on olectron hee an ngoolorotion dofinad by a (t) 20to-t where t ie
5,A car accelerates from tmls to 20mls in 85 (a) calculate it's acceleratlon. ibi Average velocity (C, How Par it travels in this line?
. Distance and Time Anthony leaves Kingstown at 2:00 p.m.and drives to Queensville, 160 mi distant, at 45 mi/h. At2:15 p.m. Helen leaves Queensville and drives to Kingstownat 40 mi/h. At what time do they pass each other on theroad?