Could someone solve this one for me? 110-Falli8 Activities and Due Dates HW: Mot

Question

Could someone solve this one for me? 110-Falli8 Activities and Due Dates HW: Motion in a Straight Line 9 Gradebo 21/2018 10:59 PM 743/10o9/6/2018 03:23 PM Print Calcu/ator Periodic Table on 28 of 33 Map ofot Sapling Learning Two small frogs simultaneously leap straight up from a lily pad. Frog A leaps with an initial velocity of what is the position and velocity of frog B? Take upwards to be positive, and let the position of the liy pad be zero. Number Position Im Number Velodity. m/s be Previous & Give Up & View Solution Check Answer Next Ext ch Oo tip

Explanation / Answer

For Frog A

y = ut + 1/2at2

0 = 0.476t + 1/2*(-9.8 m/s2)*t2

0.476t - 4.9t2 = 0

t(0.476 - 4.9t) = 0

either t = 0,

or, t = 0.0971428 seconds

Now, at t = 0.0971428, the position of frog B is

h = 1.88*0.0971428 - 1/2*9.8*0.09714282

h = 0.13638 m

Velocity of frog B

v = u + at

v = 1.88 - 9.8*0.0971428

v = 0.928 m/s

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