Question

23. An object has moved through a distance. Can it have zero displacement? Support your
answer with an example.
24. A physical quantity is measured - 10m/s. is it speed or velocity?
25. A car is moving with a uniform velocity of 10m/s, the driver of the car decides to overtake
the bus moving ahead of the car. So the driver of the car accelerates at 1m/s² for 10 sec. Find
the velocity of the car at the end of 10 sec. also find the distance traveled by the car while
accelerating​

Answer 1

Answer:

23. yes car going from point a to point b then again coming to a

24. can be both

25. u=10 m/s

     a=1 m/s^2

     t=10 s

using the first equation of motion i.e. v=u+at

v=10+1*10

v=20 m/s

Now, for finding distance traveled (s)

using third equation of motion i.e. v^2=u^2+2as

20*20 = 10*10 + 2* 1* s

400=100+2s

400-100=2s

300=2s

300/2=s

150 m =s