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## two horses are pulling a 325 kg wagon, initially at rest. The horses exert 250 N and 178 N forward forces, respectively. Ignoring friction,

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## Answers ( )

Answer:AFter 3.5 s, the wagon is moving at:

Explanation:Let’s start by finding first the net force on the wagon, and from there the wagon’s acceleration (using Newton’s 2nd Law):

Net force = 250 N + 178 N = 428 N

Therefore, the acceleration from Newton’s 2nd Law is:

So now we apply this acceleration to the kinematic expression for velocity in an object moving under constant acceleration: