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physics

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A hot air balloon is traveling vertically upward at a constant speed of 3.9 m/s. When
it is 10 m above the ground, a package is
released from the balloon.
After it is released, for how long is the
package in the air? The acceleration of gravity
is 9.8 m/s
2
.
Answer in units of

  • physics - ,

    Y = 10 + 3.9 t - (g/2) t^2 = 0

    Subsitute in the g value and solve the equation. Take the positive root. (There will also be a negatve solution)

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