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Given you have a 1000 kg automobile with an Otto cycle engine, compression ratio of 10. If there is no air drag or friction in the engine or drive train, what would the fuel consumption be per 100 km travelled (assuming no stopping and starting)? Use the enthalpy of gasoline combustion given in problem 1.52. Assume you have a static coefficient of tire friction of 0.7 and that your stopping distance is 50 m at a velocity of 100 km/s. Compare your result to the actual fuel consumption of this car which is 7 liters/100 km to estimate the real engine losses due to friction and drag.
Status Newton's First Law of motion.
A 0.900m -diameter vat of liquid is 2.60m deep. The pressure at the bottom of the vat is 1.40atm
A 25 kg cannon shell is subjected to a constant acceleration of 1200 g while in the cannon barrel. What force is the burning propellant exerting on the shell
At what time does the bolt hit the top of the still-decending elevator.
In 0.744 s, a 8.16-kg block is pulled through a distance of 4.47 m on a frictionless horizontal surface, starting from rest. By how much does the spring stretch
An air-filled toroidal solenoid has a mean radius of 15.0 and a cross-sectional area of 5.02, What is the least number of turns that the winding must have
The initial height of the block is 0.5 m above the lowest part of the slide and the spring constant is 450 N/m. Illustrate what is the block's speed when it is at a height of 0.25 m above the base of the slide?
What is the average speed of a rider on this Ferris wheel.
Oxygen has a molar mass of 32.0g/mol. What is the root-mean-square speed of an oxygen molecule at a temperature of 298K
Hakeem throws a 10.50 g ball straight down from a height of 2m. The ball strikes the floor at a speed of 7m/s. What was the initial speed of the ball? Presume that air resistance is negligible.
A rabbit runs in a straight line with a velocity of +1.6 m/s for a period of time, rests for 9 s, and then runs again along the same line at +0.55m/s for an unknown amount of time. The rabbit travels a total distance of 1116m, and its average spee..
A 3.00kg stone is sliding to the right on a frictionless horizontal surface at 5.50m/s when it is suddenly struck by an object that exerts a large horizontal force on it for a short period of tim, What impulse does this force exert on the stone
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