2 answers:
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By definition, speed is the integral of acceleration with respect to time.
We have then:
As the acceleration is constant, then integrating we have:
Where,
vo: constant of integration that corresponds to the initial velocity
We observe then that the speed varies linearly when the acceleration is constant .
Therefore, for constant acceleration, the velocity is changing.
Answer:
an object with a constant acceleration always have:
A. changing velocity
Answer:
The final velocity of the wooden block is equal to
Explanation:
Given that mass of bullet =
Mass of wood =
Initial velocity of bullet =
Final velocity of bullet =
Initial velocity of wood = o
Final velocity of wood =
Here momentum is conserved so initial momentum = final momentum
.
Upon substituting these values in above equation , we get
.