A)At 5.5sec car is at rest because the distance is same as at 5.0sec .
B) At t= 2sec where the distance covered by a car is 20m.
The speed of the car is 10m/s
C) Average speed
4/Savg= 0.14+6.4+5.8+5p.27
Savg = 0.227 m/s
What is non uniform motion ?
When the object is moving with unequal distance along with unequal time intervals.
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Answer:
1.8*10^8m/s
Explanation:
Using
L= lo√1-v²/c²
So making v subject we have
V= c√1-4.8²/6²
V= 0.6*c
V= 0.6*3E8m/s
V= 1.8*10^8m/s
They do it by followinng the centeral nervous system
