KENDRIYA VIDYALAYA ITARANA ALWAR
SUMMER VACATION HOME-WORK CLASS 9 SCIENCE 2010-20
1. Define acceleration and state its SI unit. For motion along a straight line, when do we consider the
celeration to be (i) positive (il) negative? Give an example of a body in uniform acceleration.
2. Find the total displacement of the body from the following graph:
0 2 4 6 B 10
1 car travels at 54 km/h for first 20 5 36 km/h for nort 20
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