A relief plane flying horizontally at 65.0 m/s is delivering a
food package to people stranded on an island. If the
island is a horizontal distance of 789 m away,
how high is the plane?
(Unit = m)
22000
Ay (m)
mily

Respuesta :

The height of the plane delivering a food package to people stranded on an island is 722.2 m.

Time of motion of the food package

The time taken for the food package to hit the ground level is calculated as follows;

X = vt

where;

  • X is horizontal distance traveled by the food package
  • v is horizontal distance
  • t is time of motion

t = X/v

t = 789/65

t = 12.14 seconds

Height of the plane

h = ¹/₂gt²

where;

  • h is height of fall of the food package which is height of the plane
  • t is time of motion of food package
  • g is acceleration due to gravity

h = (0.5)(9.8)(12.14²)

h = 722.2 m

Thus, the height of the plane delivering a food package to people stranded on an island is 722.2 m.

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