1. The open rail car is 7 ft wide and filled with water to the level shown. If the car moves with a constant acceleration of 10 ft/sec² to the direction shown, solve for the following: a. The angle formed by the water level b. The difference in pressure at point B when the car is at rest and when it is moving with the given acceleration c. The amount of water spilled 20 ft 10 ft B 8 ft

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.