Question

derive an expression for acceleration of a moving body​

Answer 1

Answer:

rate of change of tangential velocity is called as the centripetal acceleration.

F=

r

mv

2

centripetal acceleration is given by,

a

c

=

m

F

=

m

r

mv

2

∴ a

c

=

r

v 2

Answer 2

Acceleration :- It is a vector quantity that is defined as the rate at which an object changes its velocity. An object is accelerating if it is changing its velocity.

     

                           a=  Δv/Δt = ( vf - vi )/Δt

a = Acceleration ,

Δt = Change in time ,

Δv = Change in velocity ,

vf = Final velocity ,

vi = Initial velocity

• The acceleration of a moving body can be found from slope of the velocity-time graph.

Slope=  dtv/dt

which is equal to the acceleration.

• Velocity is in y-axis and the time is in x-axis.

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