CBSE Class 9 Answered
a body covers 200m in 2s &220m in next 5s. what is the speed of body in 7th second?
Asked by avi123 | 13 May, 2008, 10:11: AM
Expert Answer
use the formula s = ut + at2/2 put the values of t and s in this equation and find the equation in terms of u and a
now again use use the same formula s = ut + at2/2 put the values of t and s in this equation for second case again find the equation in terms of u and a
solve the two equation and find the value of u and a , now use the formula v = u+at and find the value of v by subsituting the values of u , a and t
Answered by | 24 Jun, 2008, 11:48: AM
Application Videos
Concept Videos
CBSE 9 - Physics
Asked by mailtoparvathyprajith | 06 Feb, 2024, 09:50: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by mailtoparvathyprajith | 06 Feb, 2024, 09:10: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by sapnamantri05 | 24 Nov, 2023, 04:54: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by ashrithpandu84 | 09 Oct, 2023, 08:09: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by janhavisoni2099 | 02 Oct, 2023, 05:20: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by durgesh21332 | 06 Sep, 2023, 06:17: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by sagrawal0081 | 18 Aug, 2023, 05:04: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by ketkiparasgandhi | 05 Jul, 2023, 08:02: PM
ANSWERED BY EXPERT
CBSE 9 - Physics
Asked by leena3732 | 15 Jun, 2023, 09:42: AM
ANSWERED BY EXPERT