time of travel

02 - Cars moving in opposite directions

A car leaves city A for city B, 40 km distant, traveling 50 kph. Thirty minutes later, another car leaves city B for city A at 40 kph. At what point of their path will the first car pass 6 minutes before the second car?

02 - Bullet fired from the top of a building

Problem 02
A bullet is fired at an initial velocity of 150 m/s and an angle of 56° at the top of a 120 m tall building. Neglecting air resistance, determine the following:

  1. The maximum height above the level ground that can be reached by the bullet.
  2. The time for the bullet to hit the ground.
  3. The velocity with which the bullet will hit the ground.




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