Asked by Gianna
I'm not sure if I am right on these questions please help
When should you express a vector along the x-axis as a negative vector?
(Points : 1)
when its magnitude is less than 1
when the arrow representing the vector would point toward negative x <--
when the arrow representing the vector would point toward positive x
when its magnitude is greater than 1
A boat in a river is moving forward at 10.0 km/h relative to the water with its front end pointed perpendicular to the flow of water. The water in the river is flowing at 3.00 km/h. What is the speed of the boat relative to the river bottom?
(Points : 1)
7.0 km/h
10.0 km/h
10.4 km/h <--
11.5 km/h
13.0 km/h
When should you express a vector along the x-axis as a negative vector?
(Points : 1)
when its magnitude is less than 1
when the arrow representing the vector would point toward negative x <--
when the arrow representing the vector would point toward positive x
when its magnitude is greater than 1
A boat in a river is moving forward at 10.0 km/h relative to the water with its front end pointed perpendicular to the flow of water. The water in the river is flowing at 3.00 km/h. What is the speed of the boat relative to the river bottom?
(Points : 1)
7.0 km/h
10.0 km/h
10.4 km/h <--
11.5 km/h
13.0 km/h
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