An object moving in a straight line with an acceleration of (4 t + 12m / s) and its velocity after (4) seconds is equal to (90 m / s). Calculate 1_ velocity when (t = 2) 2_the distance during the period [1,2] 3- Displacement after (10) seconds from the start of the movement

Calculus: Early Transcendentals
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Author:James Stewart
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Chapter1: Functions And Models
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An object moving in a straight line with an acceleration of (4 t + 12m / s) and its velocity after (4) seconds is equal to (90 m / s). Calculate 1_ velocity when (t = 2) 2_the distance during the period [1,2] 3- Displacement after (10) seconds from the start of the movement
- تحركت سيارتان الأولى بتجاه الشرق بسرعة km (h / 40(والثانية باتجاه الشمال بسرعة
km (h / 30( ، جد معدل تغير المسافة بين السيارتين بعد أن تكون الأولى قطعت ) km 4(
والثانية ) km 3(
- جسم يتحرك على خط مستقيم بتعجیل مقداره m (*s / 12 + 41(وكانت سرعته بعد مرور )4(
ثواني تساوي m )s / 90(، احسب : 1( السرعة عندما (2 = t)
2( المسافة خلال الفترة [2,l[
3( الإزاحة بعد )10( ثواني من بدء الحركة.
Transcribed Image Text:- تحركت سيارتان الأولى بتجاه الشرق بسرعة km (h / 40(والثانية باتجاه الشمال بسرعة km (h / 30( ، جد معدل تغير المسافة بين السيارتين بعد أن تكون الأولى قطعت ) km 4( والثانية ) km 3( - جسم يتحرك على خط مستقيم بتعجیل مقداره m (*s / 12 + 41(وكانت سرعته بعد مرور )4( ثواني تساوي m )s / 90(، احسب : 1( السرعة عندما (2 = t) 2( المسافة خلال الفترة [2,l[ 3( الإزاحة بعد )10( ثواني من بدء الحركة.
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