Question

A bird of mass 0.5 kg is flying at the same speed at the same height of 5m. In this state

if its Kinetic energy and potential energy are equal.

a) What is the potential energy of the bird?

b) What is the velocity of the bird?​ step by step . plz

Answer 1

Answer:

Explanation:m=0.5kg

g=10m/s  

2

 

U=  

2

1

​  

mu  

2

=mgh

U=0.5×10×5=25J

Hence K=25J(∴U=K)

2

1

​  

×0.5×v  

2

=25

v  

2

=  

20.5

25×2

​  

 

=  

0.5

50

​  

 

V  

2

=100

∴v  

100

​  

 

V=10m/s