# CBSE Class 11-science Physics Acceleration

## Videos

- Distance covered by a train is 72 km with initial velocity of 20 m/s in 30 minutes. Find it's acceleration
- Derive an expression for average acceleration and instantaneous accelerationfor the motion of an object in x-y plane
- Velocity as a function of position for a particle is given as v = √x (ii) Find acceleration as function of time.
- Formula to find distance travelled by an uniformly accelerated body is
- The distance x covered by a body moving in a straight line in time t is given by the relation- 2x²+3x=t If v is the velocity of body at a certain instance of time, find it's acceleration.
- eg. v = 2x ; assume t = 0 ; x = 2 m ; find a(t)?
- Define instantaneous acceleration.
- The velocity of the particle is given by v = 4t
^{2}+ 7 cm/s. Find the velocity of the particle during the time interval t_{1}= 2s and t_{2}= 4s also find the average acceleration during the same interval of time. - The displacement of a particle along x-axis is given by x = 4 + 6t + 5t
^{2}. Obtain its velocity and acceleration at t = 2s. - What does the slope of a line on velocity-time graph reveals about the acceleration of the object?

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