an engine rated at 50 kilo-watts exerts a force of 2500.N on a vehicle that is initially at rest. Calculate the resulting speed of the vehicle due to the engines force.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.

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