Question

What is the magnitude of velocities u and v respectively?

Answer 1

S=ut+

2

1

at

2

v=u+at

Average velocity =

Total time(t)

Total displacement(s)

=

t

ut+

2

1

at

2

=u+

2

1

at

Substitute, u=v−at in the above expression:

We get average velocity =v−at+

2

1

at=v−

2

1

at

mark as brillienst answer