it's answer "c"
The answer will depend on its acceleration.
The distance, expressed in inches, is(1.2) x (the particle's average speed, in feet per minute) .
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Velocity at time 0 sec = 0m per sec Velocity at time 3 sec = 45m per sec Acceleration is 45/3 = 15m per sec if the acceleration is uniform
To find the average speed between time=0 and time=2, divide the distance traveled by the time (in this case 2 seconds).
The answer will depend on its acceleration.
what is the change in speed or velocity? average acceleration will be change in speed or velocity divided by time taken (4 seconds in ur case)
The distance, expressed in inches, is(1.2) x (the particle's average speed, in feet per minute) .
There is not enough information to answer this - it could be anything, depending on how the particle moves.
To find average velocity, you need to know the displacement. If you knew displacement, average velocity would be found by: V = Displacement / time
Average acceleration is the amount of acceleration per unit of time that a thing or an object undergoes. It is simple to discover. To find the average acceleration, we need only find out how much acceleration occurred and over what period of time. If we have the starting and the ending speeds, then by subtracting them we can find the chane of acceleration. Then we can divide that acceleration by the time it took to occur. The eagle in our example accelerates from 15 m/s to 22 m/s over a period of 4 seconds. His total acceleration was 7 m/s (22 m/s minus 15 m/s = 7 m/s), and, since it took 4 seconds to increase his speed by 7 m/s, the average acceleration is the total acceleration divided by the time it took to happen (as was stated). The average acceleration is 7 m/s divided by 4 seconds or 1.75 meters per second.
Change of speed divided by time gives you average acceleration. For example, a change of 30 m/s during 5 seconds gives you 6 meters per second square - this is the average acceleration during those 5 seconds. If acceleration is constant, then this is also the acceleration at any moment during those 5 seconds. For more complicated functions (non-constant acceleration), derivates (a topic in calculus) has to be used. Specifically, the acceleration is the derivative of the velocity.
If he started out from "rest" (zero speed), then his average acceleration for the 5 seconds is50/5 = 10 meters per second2
the acceleration of the car is 1.179m/s/s given the formula provided.
You haven't mentioned distances or speed or acceleration, so this cannot be answered.
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Divide the difference in speed by the time it takes. This will give you the average acceleration for that time period.