Yes. It can be negative. With regards to 1 dimensional motion, if it is negative it indicates that the object at that particular instant in time is moving towards smaller values of x.
if under uniform acceleration or deceleration v = u + (a*t) where: v = instantaneous velocity u = initial velocity a = acceleration (negative if decelerating) t = time elapsed
Yes. Imagine a ball on a rigid pole being swung around, and slowing down. It's tangential velocity is positive but it's tangential acceleration is negative
Instantaneous velocity: The velocity of an object at one moment in time.
Instantaneous velocity is the velocity in difference displacement in shortest time or specific time interval.
Instantaneous speed is the magnitude of the velocity. Velocity also states the [direction] of the speed.
It's the change in velocity, the rate of change (derivative) which is instantaneous velocity. Acceleration can be positive or negative, meaning increased or decreased velocity respectively.
Instantaneous.
Velocity is always a scalar, instantaneous or average doesn't matter.
The tangent at a point on the position-time graph represents the instantaneous velocity. 1. The tangent is the instantaneous slope. 2. Rather than "average" velocity, the slope gives you "instantaneous" velocity. The average of the instantaneous gives you average velocity.
Mainly, when the velocity doesn't change. Also, in the case of varying velocity, the instantaneous velocity might, for a brief instant, be equal to the average velocity.
v(t) = dsdt This should be the formula for instantaneous velocity.
Instantaneous velocity is a vector quantity representing the velocity Vi at any point.It is the time rate of change in displacement.