ajo asked in Science & MathematicsPhysics · 7 months ago

Physics question sos!?

An arrow is shot horizontally from the top of a tower at a speed of 15m/s, and hits the ground with a speed of 25m/s, what is the height of the tower?

2 Answers

Relevance
  • NCS
    Lv 7
    7 months ago
    Favorite Answer

    conservation of energy yields

    v² = u² + 2gh

    25² = 15² + 2 * 9.8 * h

    and so

    h = 20 m

    If you find this helpful, please award Best Answer!

  • 7 months ago

    Martian tower or Earth tower?

Still have questions? Get your answers by asking now.