# 2) from rest a jeepney accelerates uniformly over a time of 3.25 s and covers a distance of 15 m determine the acceleration of the jeepney 3) a train accelerates a speed of 20 m/s over a distance of 150 m determine the acceleration (assume uniform) of the train

1
by anafe

2015-03-13T18:13:43+08:00

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2.) From rest a jeepney accelerates uniformly over a time of 3.25 s and covers a distance of 15 m. Determine the acceleration of the jeepney.

Formula: speed = distance x time; a =

Solution:

s = dt
= (15 m)(3.25 s)
= 48.75

a =
=
=
= 15 m/s²

The acceleration of the jeepney is 15 m/s².

3.) A train accelerates a speed of 20 m/s over a distance of 150 m. Determine the acceleration of the jeepney.

Formula : time = ; a =

Solution:

t =
=
= 7.5 s

a =
=
=
= 2.667

The acceleration of the train is 3 m/s².