A tree standing on a horizontal plane is leaning towards east. At two points situated at distanc... VIDEO
A tree standing on a horizontal plane is leaning towards east. At two points situated at distances \( a \) and \( b \) exactly due west on it, the angles of elevation of the top are respectively \( \alpha \) and \( \beta \). Prove that the height of the top from the ground ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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(A) \( -\fr... 2023-02-20 рдирд┐рдореНрди рдореЗрдВ рд╕реЗ рдХрд┐рд╕ рдХреНрд░рд┐рдпрд╛ рдХреЗ рдкрд░рд┐рдгрд╛рдорд╕реНрд╡рд░реБрдк рдХреЗрдиреНрджреНрд░реАрдп рддрдиреНрддреНрд░рд┐рдХрд╛ рддрдиреНрддреНрд░ рд╡рд┐рдХрд╕рд┐рдд рд╣реЛрдЧрд╛
(A) рдореЗрдЯрд╛рдореЙрд░реНрдлреЛрд╕рд┐рд╕... 2023-02-20 the length of this wire to make its resistance \( 10 \Omega \) ? How much does the resistance ch... 2023-02-20 рдПрдХ рд╕рд░реНрд╡реЗрдХреНрд╖рдг рдореЗрдВ рдкрд╛рдпрд╛ рдЧрдпрд╛ рдХрд┐ 21 рд▓реЛрдЧ рдЙрддреНрдкрд╛рдж \( \mathrm{A}, 26 \) рд▓реЛрдЧ рдЙрддреНрдкрд╛рдж \( \mathrm{B}, 29 \) ... 2023-02-20 рдХреЛрд░рдХрдЧреБрд╣рд╛ рдмреНрд▓рд╛рд╕реНрдЯреЛрд╕реАрд▓ рдХрд┐рд╕ рдЕрд╡рд╕реНрдерд╛ рдореЗрдВ рдмрдирддреА рд╣реИред
(A) рддреВрддрдХ (рдореЛрд░реВрд▓рд╛)
(B) рдХреЛрд░рдХ (рдмреНрд▓рд╛рд╕реНрдЯреБрд▓рд╛)
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(A) рддреАрди рдЬрдирдирд┐рдХ рд╕реНрддрд░ (Three germ layers)
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