Question

The puppy accelerated northward from rest to 15 metes per second in 10 seconds What was china displacement in this interval

Answer 1

Answer:

Intial velocity=v1=5m/seast wards  

                               

then after time t=10sec              

                                     

v2=5m/s north wards                                    

                                                               

δv=

V

1

2

​

​

+

V

2

2

​

​

        =

25

​

+25

        =5

2

​

acceleration a=

time

velocity

​

                    =

10

5

2

​

​

 

                    =

2

2

​

​

×

2

​

2

​

​

                    =

2

​

1

​

towards n-w