## Related questions with answers

Question

A sailboat starts from rest and accelerates at a rate of 0.21 m/s2 over a distance of 280 m. a. Find the magnitude of the boat’s final velocity. b. Find the time it takes the boat to travel this distance.

Solutions

VerifiedSolution A

Solution B

Solution C

Step 1

1 of 3Step 1

1 of 2$v_{f} = v_{_{0}}+ at$

$t=\dfrac{v_{f}-v_{i}}{a}$

$t=\dfrac{10.844 - 0}{0.21}$

=51.64 sec.

Given and Requireds

$v_{f}= 10.844 m/s$

$v_{i}=$ 0 m/s

a= 0.21$m/s^2$

t= ? Sec.

Step 1

1 of 2v$_{f}$ = a($\Delta$t)

11 m/s = (0.21 m/s$^{2}$)($\Delta$t)

$\Delta$t = 52 s

Calculate time based on acceleration and the final velocity (the simple equation is possible because the initial velocity is zero).

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