Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

a car travels first 10 seconds with uniform acceleration of 2 metre per second square from rest on a straight road and then travels with zero acceleration for next 10 seconds.the average speed of entire journey is
Asked by ritukkr4444 | 07 Jul, 2019, 02:07: PM
answered-by-expert Expert Answer
Distance travelled with uniform acceleration = (1/2)×a×t2 = (1/2)×2×10×10 = 100 m
 
speed after 10 seconds = a×t  = 2×10 = 20 m/s
 
distance travelled with uniform speed = 20×10 = 200 m
 
average speed = (total distance)/ time = (200+100)/20 = 15 m/s
Answered by Thiyagarajan K | 07 Jul, 2019, 04:20: PM
CBSE 12-science - Physics
Asked by shivamtkr7767 | 03 Mar, 2024, 12:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by sahupranav2006 | 02 Mar, 2024, 03:37: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by rishabhverma895334 | 01 Mar, 2024, 07:24: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by writetoakashyadav | 28 Feb, 2024, 07:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by nikstar1456 | 14 Feb, 2024, 01:09: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by rameshsanju123 | 08 Feb, 2024, 08:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by murshidibrahimkk | 08 Feb, 2024, 10:28: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by sunnyk67422 | 08 Feb, 2024, 07:11: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by sachin.sondur2012 | 07 Feb, 2024, 11:26: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by patelnamra608 | 26 Jan, 2024, 11:01: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×