105J
2.5 x 103J
2 x 103J
5 x 103J
5 x 105J`
Correct answer is A
K.E = \(\frac{1}{2}\)mv2; m (at + u)2
since, v = at + u = \(\frac{1}{2}\) x 500 [(5 x 4)+ 0]2
= 105J
The instrument used by designers to obtain different color pattern is called? ...
The image of an object placed at the center of the curvature of a concave mirror is ...
An a.c. generator can be converted into a d.c. generator by replacing ...
Ripples on water are similar to light waves in that they both ...
In the study of Physics, temperature and heat are often confused with each other. Which of the ...
For photoelectric emission, the threshold frequency is the ...
A boy in a barber's shop sits between two parallel mirrors. The number of images observed by him...