Asterussyviz
Answered

an airplane from rest accelerates on a runway at 5.0 m/s for 25.0s until it finally lifts off the ground. what it the initial velocity ?​

Sagot :

Trishavelasquezviz

Answer:

Solution

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Correct option is A)

Initial speed of airplane u=0 m/s

Acceleration of the plane a=3.2 m/s

2

and time taken t=3.28 s

Using formula, distance covered S=ut+

2

1

at

2

⇒ S=0(32.8)+0.5(3.2)(32.8)

2

=1721.3∼1720m

Explanation:

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