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looking at questoin a... why did they use that equation for sloving the problem,

ID: 1274786 • Letter: L

Question

looking at questoin a...

why did they use that equation for sloving the problem, and why cant we use this kim equation delta x= V_i*t +1/2*a* t on this problem, when i tried I got 2 sec on the I hat

A fish swimming in a horizontal plane has velocity v, = (4.00 i - 5.00 j) m/s at a point in the ocean where the position relative to a certain rock is r, = (10.0 i + 4.00 j) m. After the fish swims with constant acceleration for 17.0 s, its velocity is v = (25.0 i - 5.00 j) m/s. What are the components of the acceleration? What is the direction of the acceleration with respect to unit vector i? If the fish maintains constant acceleration, where is it at t = 26.0 s? In what direction is it moving?

Explanation / Answer

in case , if u want to use that formula , you have to use a cap, which you donno in this problem