Physics Helpp

[SierraMist]

Does anyone know how to solve this problem??

A 3kg object is accelerated from rest to a speed of 44 m/s in 67sWhat average force was exerted on the object during this period of acceleration?

 

[user098123]

Calculate the acceleration. That's your velocity over your time. That will give you a m/s/s.

Then use F=mass * acceleration. Plug in the acceleration you just used and multiply it by your mass. Your Force will be in Newtons.

 

[C-Burg]

F=ma,

a=dv/dt=(44m/s-0m/s)/67m/s=.657m/s^2

m=3kg

F=3kg*.657m/s^2=1.97 N

does that help

 

[SierraMist]

thanks guys that helped alot

 

[spliff.Life]

physics is hard, derivations suck, but i like it

 

[Bepo]

I suggest you drop the class right now if you need help with that.