an object moves at a constant speed of 6 metre per second this means that the object
A. increases its speed by 6m/s every second
B. decreases its speed 6m/s every second
C. doesn't move
D. has a positive acceleration
E. moves 6 meters every second
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E is correct option......
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5
The answer is (e) moves 6 meters every second.
If the speed of the body is constant then there is no net force acting on it. It is not accelerating. So it will move 6 meters every second.
If the object was accelerating and the acceleration was in the direction of the speed, then the speed would've increased by 6m/s every second.
If the object was accelerating and the acceleration was opposite to the direction of the speed, then the speed would've decreased by 6m/s every second.
Therefore, the object is neither accelerating nor retarding, it moves with a constant speed.
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