KINGJUSTICE77 KINGJUSTICE77

29-09-2020
Physics

contestada

12 A plane starting from rest accelerates at 3 m/s for 25 s. Calculate the
increase in velocity after:
a 1 s
b 5s
C 25 s.

Respuesta :

rosi3na146 rosi3na146

29-09-2020

Answer: 78m/s =A

u=0 ,a=3m/sec^2 ,t=25sec

v=u+at

=0+25×3

=75m/s

after 1sec

v=u+at+75

=0+3×1+75

=78m/s

Explanation:

u=0 ,a=3m/sec^2 ,t=25sec

v=u+at

=0+25×3

=75m/s

after 1sec

v=u+at+75

=0+3×1+75

=78m/s

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