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MA_775_DIABLO [31]
2 years ago
10

Describe the motion represented by a horizontal line on a distance time graph

Physics
2 answers:
AfilCa [17]2 years ago
8 0

A horizontal line on a distance time graph is saying that the distance doesn't change as time goes on.  This tells us that the object's speed is zero, and its velocity is zero, which pretty much says that the object is stationary ("at rest").

MissTica2 years ago
6 0
A horizontal line on a distance-time graph indicates that an object is stationary.
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Read 2 more answers
physics A river flows at a speed vr = 5.37 km/hr with respect to the shoreline. A boat needs to go perpendicular to the shorelin
vova2212 [387]

Answer: Vb is the vector  (-5.37m/s,  8.59 m/s), with a module 10.13m/s

then the ratio Vb/Vr = 10.13m/s/5.37m/s = 1.9

Explanation:

We can use the notation (x, y) where the river flows in the x-axis and the pier is on the y-axis.

We have Vr = (5.37m/s, 0m/s)

Now, if the boat wants to move only along the y-axis (perpendicularly to the shore).

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Vb = (-c*sin(32). c*cos(32))

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5.37 m/s - c*sin(32) = 0

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the velocity in the y-axis is:

10.13m/s*cos(32) = 8.59 m/s

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the ratio Vb/Vr = 10.13m/s/5.37m/s = 1.9 where i used Vb as the module of the boat's velocity.

7 0
3 years ago
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