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leriscepowell9004
02.10.2019 •
Physics
A200n net force is applied to a tractor in a field. if the 10 000kg tractor starts off at rest and ends up travelling with a speed of 2m/s, how long has this force been applied to the tractor?
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Ответ:
we can sub in that 10000kg*a=200n so then we know its accelerating at a rate of 0.02 m/s^2
using this we can use the equation vf=vi+a*t
we then have 2m/s=0m/s+.02m/s^2(t)
then dividing out the acceleration we find that it would take 100 seconds for the tractor to reach that velocity
Ответ:
1. Type of Material
2. Charge of an object
3. movement of an object
4. Presence of an electric field
Hope this helps uwu <3