A bullet fired at an angle of $30 °$ with the horizontal hits the ground 3.0 km away. By adjusting its angle of projection, can one hope to hit a target 5.0 km away? Assume the muzzle speed to be fixed and neglect air resistance.

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

Incomplete information

Yes

None of these

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

$Horizontal range R = \frac{u^{2} \sin (2 \times 30 °)}{g} = \frac{u^{2} \sin 60 °}{g} = 3 km ∴ Maximum range R_{m a x} = \frac{u^{2}}{g} = \frac{3}{\sin 60 °} = 2 \sqrt{3} km$

Since $R_{\max} < 5 km$ , it can't hit the target at 5 km.

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!