A body accelerates uniformly from rest at 2ms−2. C...
A body accelerates uniformly from rest at 2ms−2. Calculate its velocity when it has travelled a distance of 9m.
3.0ms−1
4.5ms−1
6.0ms−1
18.0ms−1
Correct answer is C
Given that u=0ms−1,a=2ms−2,s=9m
We can use the equation, v2=u2+2as so that we have,
v2=02+2×2×9
v2=36;v=6.0ms−1
Note; u = Initial velocity
v = final velocity
a = acceleration
s = distance covered
What flows to the positively charged conductor by connecting it to the earth? ...
In the fig above, what is the angle of reflection of the ray of light at mirror M? ...
The graph above shows the expansion of water as the temperature increases from 0°C. Which of the...
Neutrons were discovered by ...