The nucleus of a cell is like the ____ of a large animal.
1 answer:
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<u>Answer:</u>
Observed airplane is at rest, speed = 0 km/hr
<u>Explanation:</u>
When two bodies with velocity and
moves opposite to each other, their relative velocity is the sum of their individual velocity.
That is relative velocity =
In this case, and Relative velocity = 100 km/hr
Substituting
100 = 100 +
So, Velocity of airplane flying opposite direction, = 0 km/hr
So that observed airplane is at rest.
Answer:
t = 2 hours
Explanation:
Given that,
Distance of the town, d = 90 miles
Speed, v = 45 mph
We need to find the time to get there. The speed of an object is given by :
Where
t is time
So, the required time is 2 hours.