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During a one-hour trip, a small boat tra...

During a one-hour trip, a small boat travels 80.0 km north and then travels 60.0 km east.
What is the boat's displacement for the one-hour trip?

A

20 km

B

140 km

C

100 km

D

280 km

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • During a one-hour trip, a small boat travels 80.0 km north and then travels 60.0 km east. What is the direction of the boat's average velocity for the one-hour trip?

    A
    due east
    B
    `41.7^(@)` north of east
    C
    `53.1^(@)` north of east
    D
    `49.2^(@)` north of east

  • A car travels 288 km in 4 hours and a train travels 540 km in 6 hours. The ratio of their speeds is

    A
    5:4
    B
    4:5
    C
    5:6
    D
    3:5

  • A car travels 80 km. in 2hours and a atrain travels 180km, in 3 hours. The ratio of the speed of the car to that of the train is

    A
    `2:3`
    B
    `3:2`
    C
    `3:4`
    D
    `4:3`

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    A boat goes 20 km downstream in one hour and the same distance upstream in two hours. What is the speed of the boat in still water?

    A boat travels 60 kilometers downstream and 20 kilometers upstream in 4 hours. The same boat travels 40 kilometers downstream and 40 kilometers upstream in 6 hours. What is the speed (in km/hr) of the stream?

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