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قوة محرك الصاروخ ـ ـ ـ ـ ـ ـ القوة التي يصعد بها الصاروخ لأعلى ( 1️⃣.أصغر من 2️⃣ تساوي 3️⃣ أكبر من 4️⃣ لا شيئ مما سبق َ )
الإجاية الصحيحة : 3️⃣ أكبر من
التوضيح : لان الصاروخ أثناء صعوده لأعلى يكون اتجاه قوة المحرك في نفس اتجاه الحركة لكن هناك قوة توثر على الصاروخ أثناء صعوده وهي قوة وزنه ويكون اتجاهها لأسفل
اي ان القوة المحصلة والتي يصعد بها الصاروخ تساوي قوة المحرك ➖ وزن الصاروخ
وهذا يتطلب أن تكون قوة المحرك للصاروخ أكبر من قوة الصعود
حيث ان قوة المحرك يجب ان تساوي مجموع كل من قوة الصعود ➕ وزن الصلروخ
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تمنياتي للجميع بالنجاح والتوفيق
اسناذ / محمد أبو مصطفى
🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷

مذكرة أستاذ فيزياء
سؤال على الصواريخ ذاتية الدفع
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قوة محرك الصاروخ ـ ـ ـ ـ ـ ـ القوة التي يصعد بها الصاروخ لأعلى ( 1️⃣.أصغر من 2️⃣ تساوي 3️⃣ أكبر من 4️⃣ لا شيئ مما سبق َ )
الإجاية الصحيحة : 3️⃣ أكبر من
التوضيح : لان الصاروخ أثناء صعوده لأعلى يكون اتجاه قوة المحرك في نفس اتجاه الحركة لكن هناك قوة توثر على الصاروخ أثناء صعوده وهي قوة وزنه ويكون اتجاهها لأسفل
اي ان القوة المحصلة والتي يصعد بها الصاروخ تساوي قوة المحرك ➖ وزن الصاروخ
وهذا يتطلب أن تكون قوة المحرك للصاروخ أكبر من قوة الصعود
حيث ان قوة المحرك يجب ان تساوي مجموع كل من قوة الصعود ➕ وزن الصلروخ
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تمنياتي للجميع بالنجاح والتوفيق
اسناذ / محمد أبو مصطفى
🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷🌷
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Telegram might soon let you protect your account by linking it to your email

Telegram is reportedly working on a new way to help users protect their accounts. The upcoming feature will let you link your account to an email ID, and Telegram will use it for verification every time you log in from a new device.Although Telegram has not shared any details officially, app developer and prolific reverse engineer Alessandro Paluzzi has managed to grab a few screenshots showcasing the in-development feature. As you can see in the attached tweets, the feature will give users the option to add an email ID “to protect your account.” The feature will also include a Sign in with Google option for Gmail users.

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