Question

A motorboat starting from rest on a lake accelerate in a straight line at constant rate if 3m/s sq for 8 sec .how far it will go during this timr

Answer 1

Hii...
Here is your answer..

Solution:-
It's given that,
Acceleration=3m/s^2
Time =8 seconds
Initial velocity=0
Distance travelled=?

We will find the distance by using equation,that is:-
$= > s = ut + \frac{1}{2} a {t}^{2} \\ = > s = 0 \times 8 + \frac{1}{2} \times 3 \times {8}^{2} \\ = > s = 0 + \frac{1}{2} \times 3 \times 64$
$= > s = 0 + 3 \times 32 \\ = > s = 96$
Hence,
Distance travelled=96m

Hope it helps uh...✌️✌️✌️

Answer 2

your answer is --------------------

Given, acceleration a = 3m/s^2 and time t = 8sec


since, motarboat is start from rest 

So, its initial velocity u = 0


Let, distance travveled by motarboat be s


Therefore, according to formula 

s = ut+1/2at^2
=> s = 0*8+1/2*3*8*8
=> s = 96 meter 


Hence, distance travelled by motar boat is 96m


[ HOPE IT HELPS YOU ]