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Author Question: A lamp is 3 metres high on a post located 5 metres from a vertical wall. A 2 metre tall man walks ... (Read 45 times)

jc611

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on: May 26, 2021
A lamp is 3 metres high on a post located 5 metres from a vertical wall. A 2 metre tall man walks toward the wall from the lamppost on a path perpendicular to the wall. He is walking at a rate of 1 metre per second. When he is 1 metre from the wall, how fast is the shadow of his head moving up the wall?
◦ 0.36 metres per second
◦ 0.96 metres per second
◦ 1.29 metres per second
◦ 0.52 metres per second
◦ 0.31 metres per second
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Marked as best answer by jc611 on May 26, 2021

peilian

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Reply #1 on: May 26, 2021
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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jc611

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

duy1981999

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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