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What is the average velocity between 0 and 3 seconds?
The average velocity has two parts to it: The average speed and the average direction. The average speed is: (the distance you travel between 0 and 3 seconds) divided by (3). The average direction is: the direction from (the place where you started at 0 seconds) to (the place where you finished at 3 seconds).
If a cars velocity changes from 0 ms to 30 ms 10 seconds later its average acceleration is?
Acceleration = (change in speed) / (change in time) = (30 m/s) / (10 sec) = 3 meters per second2
What is the acceleration of a inline skater going straight and goes from 3 miles to 9 miles in 3 seconds?
The acceleration cannot be determined with this information. The beginning and ending velocity needs to be known. You can determine her average velocity, however. average velocity = displacement/time = (9mi - 3mi)/3s = 6m/3s = 2m/s
What is the average acceleration of a car that changes from 0 to 15 meters per second in 5 seconds?
Acceleration is measured in distance per unit timer per unit time, or in SI units this is usually m/s/s or m/s^2. If an object's velocity increases by 15 m/s in five seconds this is an average acceleration of: 15 m/s / 5 s = 3 m/s/s
What is your acceleration if your car goes from 60 miles per hour to 0 in 3 seconds?
Acceleration = -20 mi/h^2
