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Motion in A Plane
Question
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Two projectiles are fired from the same point in the same plane at angles 23° and 67°. Which of the two projectiles reaches the ground earlier?

Answer

The projectile which is inclined at a lesser angle will reach the ground earlier. 
That is, the body which is projected at angle 23° will reach the ground first. 

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Some More Questions From Motion in A Plane Chapter

Name a quantity which is both scalar as well as vector.

Which of the followings is/are vector quantities: work, power, acceleration, mass, momentum?

Pick up the odd one from the following: force, linear momentum, mass, impulse.

Pick out the only vector quantities in the following list:
Temperature, pressure, impulse, time, power, total path length, energy, gravitational potential, coefficient of friction and charge.

Pick out the two scalar quantities in the following list:
force, angular momentum, work, current, linear momentum, electric field, average velocity, magnetic moment, reaction as per Newton’s third law, relative velocity.

What are polar vectors?

Give two examples of polar vectors.

What are axial vectors?

Give two examples of axial vectors.

What are tensors?