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A boat of mass 225 kg drifts along a river at a speed of 21 m/s to the west. What impulse is required to decrease the speed of the boat to 15 m/s to the west? A. 3375 kg•m/s west B. 1350 kg•m/s east C.
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5 votes
A boat of mass 225 kg drifts along a river at a speed of 21 m/s to the west.

What impulse is required to decrease the speed of the boat to 15 m/s to the
west?
A. 3375 kg•m/s west
B. 1350 kg•m/s east
C. 1350 kg•m/s west
D. 3375 kg•m/s east

User Dan Orlovsky
by
5.6k points

2 Answers

5 votes

Answer:

B. 1350 kg•m/s east

Step-by-step explanation:

........

User Voldomazta
by
5.3k points
3 votes

Step-by-step explanation:

I=MV

=225×(15- 21)

=225×-5

User Ezequias Dinella
by
5.8k points
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