Absolutely. That's exactly the situation of a rubber ball that was tossed straight up,
at the instant when it's at the top of its arc.
Any object that's not connected to anything else and is rising or falling has constant
acceleration ... the acceleration of gravity. If it was originally launched upward, then
it eventually runs out of steam, stops, reverses direction, and starts moving down.
At that instant during its constant acceleration, its velocity is zero.
No, because for an object to accelerate it must increase velocity.
Yes, for the infinitesimal moment in which velocity reverses.
Check your calculus text.
No. Speed is the magnitude of velocity and acceleration is the change of velocity in time.
The area under an acceleration-time graph is equal to the object's velocity (not change in velocity).
Acceleration = Final velocity - Initial velocity / time
Yes, of course; but it will only have zero velocity for one infinitesimal moment. Check your calculus text.
The final velocity is (the initial velocity) plus (the acceleration multiplied by the time).
As long as acceleration is zero, the object's velocity is constant.
No. Acceleration is change of velocity / time. If there is no change in velocity, there is no acceleration.
Acceleration is change of velocity / time.
If the acceleration is constant, yes. However, the acceleration of an object can vary. The rate of change of acceleration is called jerk.
Velocity is the rate of change of distance with time, acceleration is the rate of change of velocity with time.
If the object is in free-space, and any force applied over a period of time will change the velocity of an object. Force = mass * acceleration. Acceleration = velocity / time. Therefore, Force = mass * velocity/time.
Vf = Vi + at Where Vf = final velocity Vi = initial velocity a = acceleration t = time
Acceleration is an object's change in velocity divided by its change in time. So: acceleration=(final velocity - initial velocity)/(final time - initial time)
acceleration = change in velocity / time
acceleration is the rate of change of velocity with respect to time.
No. The definition of acceleration is the change in an object's velocity over time. Acceleration must then be zero since velocity remains constant.
acceleration is the rate of change of velocity of an object with respect to time.