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Class 9 -what is the formulae for finding retardation in physics?
Retardation or deceleration is negative accelaration formula for finding retardation is same as that of accelaration: v-u/t, where v is the final velocity, u is the initial velocity and t is the time taken. eg- a bus is travelling at 20 m/s. Brakes are applied to stop the bus. The total time taken by the bus to stop is 2 s. Find its retardation. ans- v=0; u=20; t=2 accelaration= 0-20/2 a= -10 m's^2 retardation= 10 m/s^2 (because retardation is negative accelaration)
How to calculate retardation?
Retardation = change in vel / time taken
How do you find retardation?
Retardation is the opposite of acceleration.It starts from a non zero uniform velocity.For this to happen any velocity (not zero) of a vehicle should go on decreasing.The rate of decreasing may be anything.If it is decreasing then that is retardation.
How can you find the retardation of a curve in a speed time graph?
Calculate the gradient of the curve which will give the acceleration. Change the sign of the answer to convert acceleration into retardation.
What does a 68 IQ mean?
Mild retardation.
