PHYSICS!!!!!!!!!!!!!!!!

posted by .

the height from where the water bomb will be released on the overpass is 4.5 m and the target student is 170 cm tall. the student realises that, as his target will be moving, he must release the water bomb when his friend is a certain horizontal distance from the point of impact. if his friend is walking towards the overpass at 2m/s calculate the distance

  • PHYSICS!!!!!!!!!!!!!!!! -

    h = ho - (Vo*t + 0.5g*t^2 = 1.71 m.
    4.5 - (0 + 4.9t^2 = 1.71
    -4.9t^2 = 1.71 - 4.5 = -2.79
    t^2 = 0.5694
    Tf = 0.755 = Fall time.

    d = 2m/s * 0.755s = 1.51 m.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    A dive bomber has a velocity of 235 m/s at an angle θ below the horizontal. When the altitude of the aircraft is 2.15 km, it releases a bomb, which subsequently hits a target on the ground. The magnitude of the displacement from …
  2. PHYSICS!!!!!!!!!!!!!!!!

    the height from where the water bomb will be released on the overpass is 4.5 m and the target student is 170 cm tall. the student realises that, as his target will be moving, he must release the water bomb when his friend is a certain …
  3. Physics

    An aeroplane moving horizontally at 150m/s releases a bomb at a hight of 150m.The bomb hits the intended target.What is the horizontal distance of the plane from the target when the bomb was released?
  4. Physics

    A target lies flat on the ground 4 m from the side of a building that is 10 m tall, as shown below. The acceleration of gravity is 10 m/s2 . Air resistance is negligible. A student rolls a 4 kg ball off the horizontal roof of the building …
  5. physics

    A plane cruising along at 268 m/s, in straight level flight wants to drops a bomb. He is at a height of 1000m. At what distance should the pilot release the bomb in order to hit his target?
  6. Physics

    An airplane flying horizontally 1000 meters above the ground at 200 km per hr drops a bomb on a target on the ground. Determine the acute angle between the vertical and the line joning the airplaod and target at the instant when the …
  7. physics

    An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the ground. Find the angle between the vertical and the line joining the aircraft and the target immediately …
  8. physics

    An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the ground. Find the angle between the vertical and the line joining the aircraft and the target immediately …
  9. Physics

    A Bomber On A Military Mission Is Flying Horizontaly At A Height Of 3000m above the ground at 60km/min,it drops a bomb on a target on the ground,determine the acute angle between the vertical and the line joining the bomber and the …
  10. Physics

    A pilot wants to bomb his target on the ground. If the angle of the plane from the horizontal is 20° and the velocity of the plane is 80 m/s , find A). The distance that the pilot must release the bomb to his target B) the time before …

More Similar Questions