Question

1 point
8. a)Find the Total Area of the
shaded figure *
12cm
II
3cm
3cm
5cm
15cm
3cm
IV 3cm
1
12cm​

Answer 1

Answer:

Step-by-step explanation:

Initial speed u=36 km/h=10 m/s

Final speed v=72 km/h=20 m/s

Now change in KE=  

2

mv  

2

 

​  

−  

2

mu  

2

 

​  

 

change in KE=  

2

500×20  

2

 

​  

−  

2

500×10  

2

 

​  

 

ΔKE=7.5×10  

4

 J