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Author Question: At time t = 0 seconds a ball is thrown vertically upward from the top of a building that is 76 ... (Read 128 times)

darbym82

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At time  t = 0 seconds  a ball is  thrown vertically upward from the top of a building that is 76 metres high. The height of the ball above ground  t  seconds  later is given by  h = 76 + 39.2t - 9.8t2  m  (until the ball hits the ground).  At what speed does it hit the ground  (to the nearest tenth of a metre per second)?
◦ 230.4  m/s
◦ 215.6  m/s
◦ 237.8  m/s
◦ 245.9  m/s
◦ 200.0  m/s


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Marked as best answer by darbym82 on May 26, 2021

diana chang

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Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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darbym82

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Reply 2 on: May 26, 2021
Wow, this really help


connor417

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Reply 3 on: Yesterday
Gracias!

 

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