# The electric car pulls the trailer at a speed of 3 m / s, overcoming the resistance of 400 N.

December 29, 2020 | education

| **The electric car pulls the trailer at a speed of 3 m / s, overcoming the resistance of 400 N. Determine the work done by the electric car motor in 8 minutes.**

Let’s remember the formula of work. It says that work is directly proportional to strength and distance. Recall that distance can be replaced with V * t. Then: A = F * S = F * V * t = 576000 = 576kJ.

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