**A model rocket with a mass of 0.181 kg is launched into the air with an initial speed of 92 m/s. How much kinetic energy will the rocket have at a height of 164 m?**

**Answer:**

Kf=Ki−mgh

hence

final kinetic energy = 475.0888J

**A model rocket with a mass of 0.181 kg is launched into the air with an initial speed of 92 m/s. How much kinetic energy will the rocket have at a height of 164 m?**

**Answer:**

Kf=Ki−mgh

hence

final kinetic energy = 475.0888J