Kinematics Question 690

Question: The range of a particle when launched at an angle of 15o with the horizontal it’s 1.5 km. What is the range of the projectile when launched at an angle of 45o to the horizontal

Options:

A) 1.5 km

B) 3.0 km

C) 6.0 km

D) 0.75 km

Show Answer

Answer:

Correct Answer: B

Solution:

[b] R15=u2sin(2×15)g

=u22g=1.5km

R45=u2sin(2×45)g=u2g=1.5×2=3km



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