Question

Chapter 02, Problem 45 The drawing shows a device that you can make with a piece of cardboard, which can be used to measure a person's reaction time. Hold the card at the top and suddenly drop it. Ask a friend to try to catch the card between his or her thumb and index finger. Initially, your friend's fingers must be level with the asterisks at the bottom. By noting where your friend catches the card, you can determine his or her reaction time in milliseconds (ms). Calculate the distances (a) du. (b) d2, and (c) dz. HOLD HERE -180 ms- -120 ms -60.0 ms ** *** (a) Number Units (b) Number Units (c) Number Units

Answer 1

. na preth di s= ut + I at? Here, u=0 = soo di 0 + 1 x 9.8*(0.06) 2 now = 10.0176 m ] de s= ut +2 at ² --TE => d2 = 0+1*9.8.0.12 T U N =) | d₂ = 0.071m het. ET wood d3 s= 0+1x9.880.182 M - Consileton) - ONE d₂ = 0.159 m AND C OM Bfx Six -2) - weito po OO RED REDMI NOTE 6 PRO MI DUAL CAMERA