Physics 9702 · AS & A Level · Energy conservation

Energy conservation — practice question

A projectile is projected at $45^{\circ}$ above the horizontal with initial kinetic energy $E$. If air resistance is ignored, what is the kinetic energy of the projectile at its maximum height?

  • A$0.50E$
  • B$0.71E$
  • C$0.87E$
  • D$E$

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