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Acceleration by decreasing speed?

No, that is a contradiction.


A car sitting at a stop sign takes off and begins a period of uniform acceleration until it reaches a speed of 26 ms The time required to reach this speed is 46 seconds How far does the car travel?

598 m


What happened to the speed of the ball during the final 2 seconds?

The speed of the ball during the final 2 seconds likely decreased as it experienced air resistance and friction from contact with the ground. Without additional information, we can only infer that the ball's speed reduced gradually until it came to a stop.


What is an example of average acceleration?

An example of average acceleration would be a car starting from a stop and gradually increasing its speed to 60 mph over a period of 10 seconds. The average acceleration of the car during this time would be calculated as the change in velocity divided by the time taken to achieve that change.


What is the acceleration of a hockey player who is skating at 10ms and comes to a stop in 2 seconds?

-2.5 m/s/s


A car slows to a stop in 5 seconds if it was going 80 kilometers an hour what was its acceleration?

You can't figure "acceleration" from this information. Maybe you meant "Deceleration"? Ask again.


When does acceleration stop?

If there is no net force on an object, the object won't accelerate.


When an object reaches its termainal speed its acceleration is zero right?

Yes, when an object reaches its terminal speed, the acceleration becomes zero because the forces acting on the object (such as air resistance) have balanced out the force of gravity causing the object to fall at a constant speed. This constant speed is the terminal speed of the object.


An object has an initial speed that is positive if the acceleration of the object is negative how will the speed be affected?

If the acceleration is negative, the object's speed will decrease over time. The object will slow down until it comes to a stop, and if the negative acceleration continues, the object may eventually start moving in the opposite direction.


What is the acceleration of a car that screeches to a stop if it takes 3 seconds to go from 36 meters per seconds to 0 meters per seconds?

Acceleration = (change in speed) divided by (time for the change) = (0 - 36)/3 = -12 m/s2The acceleration of gravity is 9.8 m/s2, so the passengers are pulled forwardagainst their seat belts with a 'force' of 1.22 Gs during the screech.


Is it possible that speed is zero while the acceleration is non -zero?

Yes. You could be moving left with an acceleration to the right (decelerating) and come to a stop before you begin to move to the right.


An object with constant velocity has positive acceleration?

Answer This occurs when an object istraveling in one direction but has an acceleration in the opposite direction, which means it is decreasing in speed. For a given period of time, the speed has decreased. Acceleration is the change of velocity per second. T1 = 5 seconds V1 = 100mph T2 = 10 seconds V2= 50 mph Acceleration = (V2 - V1 ) / (T2 - T1) = (50-100)/(10-5) = -10 ft/sec/sec Positive(+) acceleration means an object will be going faster over an interval of time.