NCERT Solutions for Class 11 Science Kinematic 2
Important Board Questions
Kinematic
NCERT Books for Session 2022-2023
CBSE Board and UP Board
One Marks Questions
A projectile is fired with Kinetic energy 1 KJ. If the range is maximum, what is its Kinetic energy, at the highest point ? Ans: here 1/2 mv²=1 KJ = 1000j, θ=45°
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At the highest Point, K. E.= 1/2 m(v cos θ)²= mv²/4 = 1000/2 = 500J