Question

What is relative velocity? A body starts to move from rest and gains acceleration of 2m/s2 in 30 sec. Find the final velocity.

Answer 1

Answer:

What is relative velocity?

Relative velocity is measured in a frame where an object is either at rest or moving with respect to the absolute frame.

A body starts to move from rest and gains acceleration of 2m/s2 in 30 sec. Find the final velocity.

u=0

a=2m/S  

2

 

t=10Second

S  

1

​

=ut+0.5at  

2

 

s  

1

​

=0+0.5×2×100=100m

S  

2

​

=v+2

v=u+at=0+20=20m/s

s  

2

​

=20×30=600 m

0  

2

−v  

2

=2(−a)s  

3

​

 

s  

3

​

=  

8

400

​

=50m

s=s  

1

​

+s  

2

​

+s  

3

​

=100+600+50=750

Hope this helps you dear

Answer 2

• Hope it is helpful to you

by Teddy bear ✌️