A blue shark accelerates at a rate of 16m/s for a time of 0.8s. During this time it travels a distance of 11.52m. Calculate its initial speed.

The initial velocity of this shark is . (Assuming that the unit of the acceleration in this question is .)

Explanation:

Let denote the acceleration of this shark.

Let denote the initial velocity of this shark.

Assume that the acceleration of this shark is constant (as it is in this question.) Over a period of time , the shark would have travelled a distance of:

.

This question states that:

This question is asking for , the initial velocity of this shark at the beginning of this -second period. Substitute the three known values into the equation:

.

Solve for :

.

speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

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explanation:

iron would move it is magnetic there is a mag field around the current in the wire