Answer:
The car evidently moved in the South-North direction.
Mașina se deplasa în mod evident în direcția Sud-Nord.
Explanation:
English Translation
At night, in a dark room, you notice on the wall opposite the window the movement of light spots from the headlights of a car in a south-north direction. In what direction did the car move?
Solution
Light rays fall obliquely on walls but move in the same direction as the car's direction of travel. And from the question, it is stated that the light rays move in the south-north direction, hence, the car in question, moved in the South-North direction too.
In Romanian/In limba romana
Razele de lumină cad oblic pe pereți, dar se mișcă în aceeași direcție ca direcția de deplasare a mașinii. Și din întrebare, se precizează că razele de lumină se deplasează în direcția sud-nord, prin urmare, mașina în cauză se deplasa și în direcția Sud-Nord.
Hope this Helps!!!
Sper că acest lucru vă ajută!!!
By using vector
a. the distance traveled is 12 kilometres
b. the resultant displacement is (7 i + 5 j) kilometres
We need to know about vectors to solve this problem. Vector has magnitude and also direction. Displacement is included in vector. It can be written as
s = sx i + sy j + sz k
where s is displacement, sx is displacement on x-axis, sy is displacement on y-axis and sz us displacement on z-axis.
From the question above, we know that
east = positive x
south = negative y
west = negative x
north = positive y
s1 = 7 j
s2 = 5 j
The distance traveled is
s = s1 + s2
s = 7 + 5
s = 12 kilometres
The resultant displacement is
s = s1 + s2
s = 7 i + 5 j
s = (7 i + 5 j) kilometres
Find more on vector at: brainly.com/question/25811261
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A diagram with atoms of the same color and size.
Answer:
linearly polarized along the vertical direction
Explanation:
Unpolarized light is an electromagnetic wave that travels oscillating in all directions. The optical filter acts as a grid, if we have a filter that is oriented in the vertical direction, all waves will be blocked except those traveling in the vertical direction, being polarized in this direction.
