not sure it is , one example is firing something upwards, then g is -ve in the calculations
Retardation = change in vel / time taken
Retardation or deceleration is negative acceleration. It is opposite to the direction of velocity.
Retardation, or deceleration, is the rate at which an object slows down. It is often calculated using the formula: ( a = \frac{\Delta v}{\Delta t} ), where ( a ) represents retardation, ( \Delta v ) is the change in velocity (final velocity minus initial velocity), and ( \Delta t ) is the time taken for this change. If the object is slowing down, ( \Delta v ) will be negative, resulting in a positive value for retardation.
"Deceleration" is a decrease in speed, however you are still going in the SAME direction so it is POSITIVE. "Retardation" is going in the OPPOSITE direction, therefore it is NEGATIVE.
Oh, dude, so like, when something is slowing down, it's actually experiencing negative acceleration. It's like the opposite of when you speed up, you know? So, they call it retardation because it's like saying, "Hey, slow down, negative acceleration coming through!" It's just a fancy way of saying things are getting slower, man.
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)
Mental Retardation was discovered in the 1800's when a first child was born with this disease because the mom with the child in the stomach wasn't taken care of good with hospital care supervision .
Positive is normally taken to be bigger.
Retardation means deceleration or the negativity to speed. It's synonyms Disintegrate, Prejudice, Destruct etc. The formula of retardation is V - U/ T where V is the final position U is the initial motion and T is the time taken by object.
Pseudo-retardation would be something that resembles or looks like retardation, but actually isn't. The term literally means, fake retardation.
No a dimple is not a sign of retardation.
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