Starting from rest, a boat increases its speed to 4.66 m/s with constant acceler

Question

Starting from rest, a boat increases its speed to 4.66 m/s with constant acceleration. (a) What is the boat's average speed?
1
Your answer differs from the correct answerby 10% to 100%. m/s
(b) If it takes the boat 4.81 s toreach this speed, how far has it traveled?
2
Your answer differs from the correct answerby 10% to 100%. m
(a) What is the boat's average speed?
1
Your answer differs from the correct answerby 10% to 100%. m/s
(b) If it takes the boat 4.81 s toreach this speed, how far has it traveled?
2
Your answer differs from the correct answerby 10% to 100%. m

Explanation / Answer

PART A>>>>   avg speed = (vo + vf ) / 2 =   ( 0 + 4.66) / 2 = 2.33 m/s   final answer.

PART B>>>>   d = (avg speed) (time) =   ( 2.33 m/s) (4.81 s ) = 11.207m   final answer.

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