A body moves from rest with a constant acceleration of 5 m/s2. Its instantaneous speed (in m/s) at the end of 10 sec is

 instantaneous speed at any given time is the magnitude of instantaneous velocity at that time.

Instantaneous Speed Formula

The instantaneous speed formula is given by

Speed(i) = ds/dt

Where,

• ds is the distance
• dt is the time interval
• Speed(i) is the instantaneous speed

Given that

Acceleration a=5m/s2

Time t=10m/s

Find out

We have to determine the instantaneous speed

Solution

Acceleration(a)= dv/dt

Instantaneous speed = a×Δt

=5×10

=50m/s

Answer

The Instantaneous speed = 50m/s