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Answer:
3.75m/s
Explanation:
Velocity of a body is its displacement divided by time taken;
Velocity =
Displacement is the distance from the starting point.
Here:
------------------------------------------- 20m
40m ------------------------------------------------------------------------------
--------------------------------------------------------------------35m
Displacement = 35m - 20m = 15m
Time taken = 4s
Velocity = = 3.75m/s
Answer:
The angular diameter is 77.35 arc-seconds.
Explanation:
The angular diameter, as shown in the figure, is the angle subtended by the the diameter of the object.
Before we do the calculation, we first convert everything to meters.
The diameter of the of the object in meters is
75cm =0.75m,
and the distance to the object in meters is
2 km = 2000 m.
Now, from trigonometry we get:
and since 1 degree = 3600 arc-seconds, in arc-seconds is
Province. Is what is located away from the capital.
Well it depends it has to be some kind of metal material if not then it will not pick it up Hope this helps:)