You toss a protein bar to your hiking companion located 8.6 m up a 39° slope, as shown in figure 3.24. Determine the initial velocity vector so that when the bar reaches your friend, it's moving horizontally. turning on a dry roadriving at 80.0 km/h whenyou spot a truck jackknifedacross the road. If you swervein a circular arc, as shown in71. Consider two projectiles launched on level ground with the samea general formula for the horizontal distance covered by aprojectile launched horizontally at speed vo from height h.71. Consider two projectiles launched on level ground with the sehispeed, at angles 45° + a. Show that the ratio of their flighttimes is tan(a + 45°).72. You toss a protein bar to yourFig. 3.25, how far from thetruck do you have to starthiking companion located 8.6 mup a 39° slope, as shown in Fig.3.24. Determine the initial veloc-swerving to avoid the truck?Assume your speed doesn't chang82. Your alpine rescue team is usingency medical packet to climberin Fig. 3.26; your job is to caleyou report?8.6 mity vector so that when the barreaches your friend, it's movinghorizontally.73. The table below lists positionDATA versus time for an object moving39°in the x-y plane, which is hori-zontal in this case. Make a plotFIGURE 3.24 Problem 72of position y versus x to deter-mine the nature of the object's path. Then determine the magni-tudes of the object's velocity and acceleration.270 mSamsung Quad CameraShot with my Galaxy A71 should it jump so it just clears the fence without(a) How fast andgoing any higher?70. Derive a general formula for the horizontal distance covered by a81. Your car can sustain an ac-celeration of 0.795g whileturning on a dry road. You'redriving at 80.0 km/h whenprojectile launched horizontally at speed vo from height h.71. Consider two projectiles launched on level ground with the sameyou spot a truck jackknifedacross the road. If you swervein a circular arc, as shown inspeed, at angles 45° ± a. Show that the ratio of their flighttimes is tan(a + 45°).72. You toss a protein bar to yourFig. 3.25, how far from thetruck do you have to starthiking companion located 8.6 mup a 39° slope, as shown in Fig.swerving to avoid the truck?Assume your speed doesn't chans82. Your alpine rescue team is usin8.6 m3.24. Determine the initial veloc-gency medical packet to climbein Fig. 3.26; your job is to caloyou report?ity vector so that when the barreaches your friend, it's movinghorizontally.73. The table below lists position39°DATA versus time for an object movingSamsung Quad Cameran the x-v plane, which is hori-Shot with my Galaxy A71zontal in this case. Make a plotFIGURE 3.24 Problem 72of position y versus x to deter-t'n path Then determine the magni-

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You toss a protein bar to your hiking companion located 8.6 m up a 39° slope, as shown in figure 3.24. Determine the initial velocity vector so that when the bar reaches your friend, it's moving horizontally.

You toss a protein bar to your hiking companion located 8.6 m up a 39° slope, as shown in figure 3.24. Determine the initial velocity vector so that when the bar reaches your friend, it's moving horizontally.

University Physics Volume 1

18th Edition

ISBN:9781938168277

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

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

Chapter4: Motion In Two And Three Dimensions

Section: Chapter Questions

Problem 4.4CYU: Check Your Understanding If the two golf shots in Example 4.9 were bunched at the same speed, which...

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