Physics, asked by Harden, 1 year ago

A motor boat starting from rest on a lake accelerates in straight line at a constant rate 3m/s^2 for 8 sec .How far does the boat travel

Answers

Answered by RehanAhmadXLX
8
Heya !!

Here is your answer.

Given :
u = 0.
a = 3 m/s²
t = 8 sec.

Using,
s = ut + 1/2 at²
s = 1/2 × 3 × 8 × 8
s = 3 × 32
s = 96 m.


Hope You Got It

RehanAhmadXLX: Happy To See That I helped
Harden: can you explain that 1/2 × 3×8×8 .ye kaise aaya
RehanAhmadXLX: Ok
RehanAhmadXLX: a = 3 and t = 8
RehanAhmadXLX: 1/2 × at². = 1/2 x 3 × 8² = 1/2 × 3 × 8 × 8
Harden: Thank you very much
RehanAhmadXLX: Most Welcome
Answered by AdorableAstronaut
4

Question : A motor boat starting from rest on a lake accelerates in straight line at a constant rate 3m/s^2 for 8 sec. How far does the boat travel?

Answer :

The question asks us to find the distance traveled.

The motorboat starts from rest, so the initial velocity would be : 0

Time taken : 8 seconds.

Acceleration : 3 m\s²

According to the third equation of motion, which states :

S = Ut + \frac{1}{2} at²

( Here, S refers to the distance)

= 0 × 8 + \frac{1}{2} 3 (8)²

= 0 + \frac{1}{2} 3 × 64 = 96 meter.

Therefore, the distance traveled by the boat is 96 meters.

Always remember, to find the distance traveled, we must use the second equation of motion, which is S = Ut + 1/2 at²

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