Question

A boat initially moving at 10 m/s accelerates at 2 m/s2 for 10 s. What is the velocity of the boat after 10 seconds?

Answer 1

Answer:

Here

u

=

10

,

a

=

5

,

t

=

10

s

=

u

t

+

1

2

a

t

2

s

=

10

×

10

+

1

2

×

5

×

100

s

=

100

+

250

s

=

350

m

e

t

e

r

s

Answer link

Answer 2

The velocity of the boat after 10 seconds is 30 m/s.

Given the following data:

• Initial velocity, U = 10 m/s

• Acceleration, a = $2 \;m/s^2$

• Time, t = 10 seconds.

To find the velocity of the boat after 10 seconds, we would use the first equation of motion;

Mathematically, the first equation of motion is given by the formula;

$V = U + at\\\\V = 10 + (2)(10)\\\\V = 10 + 20$

Final velocity, V = 30 m/s.

Therefore, the velocity of the boat after 10 seconds is 30 m/s.

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