Q: What is constant accelaration?

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It is slowing down. The bus is not picking up speed--accelerating--and its speed isn't zero, as it is not completely stopped. ------------------------------------------------------------------------------------------------------------ The above answer is incorrect as slowing down indicates a negative acceleration not a zero one. The correct answer is that the bus is at a constant speed - any constant speed.

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)

Directly. That's why you can't move a car by blowing on it.

You cannot. You must have distance (or displacement). If you know it is from a standing start then accelaration will do.

arent u a science student? its simple. time,initial velocity,accelaration the formula is; v2=u2+2as here v is final velocity u is innitial velocity a is accelaration s will be3 the stopping distance okkkk!!

Related questions

When an object is not accelerating at all. It has constant velocity.

yes and its 9.8m/s2

Directly. (F = m a) If a (acceleration) is a constant then the relationship between farce and mass is constant.

a = (v2-v1)/t if velocity never changes then acceleration is always zero

Constant velocity implies zero acceleration, so you would have a horizontal line, identical to the x-axis.

since accelaration is the change in velocity of an object per unit time......if velocity is zero then there is no acceleration.its nt possible

The conclusion of non-accelerated rectilinear motion is that the velocity of the object remains constant over time, with no change in speed or direction. This means that the object moves in a straight line at a constant speed.

it changes the speed

decelration

An object moving at a constant speed without a force acting on it experiences no acceleration or external influence to change its motion. In the absence of forces like friction or gravity, an object can continue moving at a steady pace indefinitely.

accelaration?

g is gravitational accelaration