Q. In projectile motion (neglecting air resistance), which is conserved?

प्रक्षेप्य गति में (वायु प्रतिरोध की उपेक्षा करते हुए) किसका संरक्षण होता है?

A
Kinetic energy
गतिज ऊर्जा
B
Vertical momentum
ऊर्ध्वाधर गति
C
Horizontal momentum
क्षैतिज गति
D
Total mechanical energy
कुल यांत्रिक ऊर्जा

Explanation

In projectile motion without air resistance, there are no external horizontal forces, so horizontal momentum is conserved. Vertical momentum is not conserved because gravity acts vertically. Total mechanical energy is conserved (kinetic + potential), but the question focuses on momentum, so horizontal momentum is the correct answer.

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