Given, v₁ = 18 km/h, v₂ = 36 km/h and t = 5 min = 5/60 h = 1/12 h Acceleration, a = v₁ – v₂ / t = 36 – 18/ 1/12 = 216 kmh⁻²

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If the Phloem at the base of branch is removed, then lower area of the branch will not receive food from the leaves. But the plant will not die, as it will continue to receive food from other branches as ...

a = slope of graph = 10 – 0/4 – 0 = 2.5 m/s² F = ma = 5 x 2.5 = 12.5 N

Class 9th Science Session 2022-23 Class 9 Science Terminal Exams MCQ Solutions Class IX Science MCQ Extra Questions Answers 9th Science Terminal Exam Based MCQ Extra Questions