Mathematics · Projectile Motion
A projectile is projected with velocity of 40 m/s at an angle θ with the horizontal. If R be the horizontal range covered by the projectile and after t seconds, its inclination with horizontal becomes zero, then the value of cot(θ) is: [Take g = 10 m/s2]
- 1Rt2
- 25Rt2
- 3R10t2
- 4R20t2✓
Correct answer
R20t2
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