Question

6. The distance and displacement between Poin the below figure are respectively. ( )
Den ene
A sem. In
DO SUL
Com. 200m​

Answer 1

Answer:

5m,19m

Explanation:

Distance is the area under the curve of v−t graph

Then,

Distance travelled =A  

1

​  

+A  

2

​  

+A  

3

​  

+A  

4

​  

+A  

5

​  

+A  

6

​  

 

=(  

2

1

​  

)(1)4+2(4)+  

2

1

​  

(1)(4)+  

2

1

​  

(  

2

1

​  

)(2)+(2)(3)

=(  

2

1

​  

)(  

2

1

​  

)(2)=19 m

Displacement fill t=8 s=A  

1

​  

+A  

2

​  

+A  

3

​  

−A  

4

​  

−A  

5

​  

−A  

6

​  

 

=  

2

1

​  

(1)(4)+2(4)+  

2

1

​  

(1)(4)−(  

2

1

​  

)(  

2

1

​  

)2

−(2)(3)(  

2

1

​  

)(  

2

1

​  

)(2)=12−7=5 m