A motorboat starting from rest on a lake accelerates in a straight
line at a constant rate of 3.0 ms for 8.0 s. How far does the
boat travel during this time?
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Answered by
5
Answer:
a=3
t=8
u=0
s=?
we apply motions second equation
s=ut+1/2×at^2
=0×8+1/2×3×8^2
=8+1/2×3×64
=8+1×3×32
=105
Answered by
2
Given, initial velocity of boat is: u=0
Acceleration is: a=3 ms^2
Time is: t=8 s
Using second equation of motion:
s=ut+ 1/2at^2
s=0×8+ 1/2×3×8^2 =96 m.
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