Numerical - Distance traveled by an electron - Velocity time relation

Q.  What is the distance traveled by an electron in first 4 seconds from its initial position, if velocity time relation is given as  v = 3t?
- Published on 21 Sep 15

a. 12 m
b. 15 m
c. 20 m
d. 24 m

ANSWER: 24 m

Related Content

 

    Discussion

  • Sravanthi   -Posted on 15 Dec 15
    Solution:

    Given: v = 3t

    v = ds/dt (distance traveled in time t)

    ds/dt = 3t

    0∫4 (ds) = 0∫4 3 t dt = 3 (t2/ 2)04 = 3 x (16/2) = 24 m

    Distance traveled = (s) = 24 m

➨ Post your comment / Share knowledge


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)
▲