# physics

A truck with mass 2000 kg tows a boat and trailer of total mass 500 kg. The rolling coefficient of friction for the truck is 0.080 and for the trailer is 0.050. The force of the truck’s drive wheels pushing backward on the pavement is 3.0 kN. (a) Determine the acceleration rate of the truck and trailer moving forward together. (b) Determine the amount of force the truck’s hitch exerts forward on the trailer.

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1. I really don't know how to explain it, so here is just the answers.

"a. 0.47 m/s2

b. 480 N"

I hope this helps! :)

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2. Oops, I am Anonymous. Anyways, here's everything again:

"I really don't know how to explain it, so here is just the answers.

"a. 0.47 m/s2

b. 480 N"

I hope this helps! :)"

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2. 👎
3. ℹ️
4. 🚩
3. A person rows a boat at a speed of 5.0km/hr in still water. The person heads directly across a river that flows at a speed of 5.0km/hr. Determine the magnitude and direction of the boat resultant velocity

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