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Question Number 100629 by aurpeyz last updated on 27/Jun/20

Commented by aurpeyz last updated on 27/Jun/20

question 3 pls

$$\mathrm{question}\:\mathrm{3}\:\mathrm{pls} \\ $$

Answered by mr W last updated on 28/Jun/20

Commented by mr W last updated on 27/Jun/20

B=2 m  θ=45°  h=(B/(2 tan θ))=(2/(2 tan 45°))=1 m

$${B}=\mathrm{2}\:{m} \\ $$$$\theta=\mathrm{45}° \\ $$$${h}=\frac{{B}}{\mathrm{2}\:\mathrm{tan}\:\theta}=\frac{\mathrm{2}}{\mathrm{2}\:\mathrm{tan}\:\mathrm{45}°}=\mathrm{1}\:{m} \\ $$

Commented by aurpeyz last updated on 28/Jun/20

pls explain the red part of the diagram Sir. thank alot

$$\mathrm{pls}\:\mathrm{explain}\:\mathrm{the}\:\mathrm{red}\:\mathrm{part}\:\mathrm{of}\:\mathrm{the}\:\mathrm{diagram}\:\mathrm{Sir}.\:\mathrm{thank}\:\mathrm{alot} \\ $$

Commented by aurpeyz last updated on 28/Jun/20

pls explain the red part of the diagram Sir. thank alot

$$\mathrm{pls}\:\mathrm{explain}\:\mathrm{the}\:\mathrm{red}\:\mathrm{part}\:\mathrm{of}\:\mathrm{the}\:\mathrm{diagram}\:\mathrm{Sir}.\:\mathrm{thank}\:\mathrm{alot} \\ $$

Commented by mr W last updated on 28/Jun/20

i can′t give more explanation as  the diagram already did. what do you  not understand?

$${i}\:{can}'{t}\:{give}\:{more}\:{explanation}\:{as} \\ $$$${the}\:{diagram}\:{already}\:{did}.\:{what}\:{do}\:{you} \\ $$$${not}\:{understand}? \\ $$

Commented by aurpeyz last updated on 28/Jun/20

thsnks sir. i think i already understand. Sir what is the force F1 and F2 and why is theta at the red diagram also 45? thanks for helping me to learn sir

$$\mathrm{thsnks}\:\mathrm{sir}.\:\mathrm{i}\:\mathrm{think}\:\mathrm{i}\:\mathrm{already}\:\mathrm{understand}.\:\mathrm{Sir}\:\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{force}\:\mathrm{F1}\:\mathrm{and}\:\mathrm{F2}\:\mathrm{and}\:\mathrm{why}\:\mathrm{is}\:\mathrm{theta}\:\mathrm{at}\:\mathrm{the}\:\mathrm{red}\:\mathrm{diagram}\:\mathrm{also}\:\mathrm{45}?\:\mathrm{thanks}\:\mathrm{for}\:\mathrm{helping}\:\mathrm{me}\:\mathrm{to}\:\mathrm{learn}\:\mathrm{sir} \\ $$

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