Please help me with the math worked out-- I haven\'t been able. An object moves

Question

Please help me with the math worked out-- I haven't been able.

An object moves with constant acceleration 4.45 m/s2 and over a time interval reaches a final velocity of 12.4 m/s. If its initial velocity is 6.2 m/s, what is its displacement during the time interval? 11.83 Times Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m What is the distance it travels during this interval? 11.83 Times Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m If its initial velocity is -6.2 m/s, what is its displacement during the time interval? 11.83 Times Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m What is the total distance it travels during the interval in part (c)? m

Explanation / Answer

a) Vf^2 = Vi^2 + 2ad => 221 = 30.25 + 6.9 d => d = 27.6 m

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