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Solve the following problem:
Problem: Estimate the amount of gasoline that will be consumed in cars in the U.S. in the next thirty years. Assume that the total population of the U.S. is 350 millions and one of two people will drive an average distance of forty miles per day and the average mileage of the cars is 25 mpg.
Rework your solution from the beginning and check each step carefully for abgove problem.
question1at one instant a bicyclist is 40.0 m due east of a parks flagpole going due south with a speed of 10.0 ms.
When two identical ions are separated by a distance of 5.9 10-10 m, the electrostatic force each exerts on the other is 6.0 10-9 N. Evaluate how many electrons are missing from each ion?
A steam turbine is limited to a maximum inlet temp of 800 c the exhaust pressure is .0100 mpa and the moisture in the turbine exhaust is not to exceed 9.00%. What is maximum power output per unit mass flow rate
a thin rod of length 2b and mass m is suspended by its two ends with two identical vertical springs force constant k
Light waves with two different wavelengths, 632 nm and 474 nm,pass simultaneously through a single slit whose width is 7.15× 10-5 m and strike a screen 1.20 m from the slit.Two diffraction patterns are formed on the screen.
A 10.0 meter long, 200N ladder rests against a wall frictionless. Determine the coefficient of friction if the person stops 6.00 meter up the ladder
An infinite plane of charge with surface charge density ?1 = 3.7 µC/m2 is parallel to the xz plane at y = -0.8 m. A second infinite plane of charge with surface charge density ?2 = -1.1 µC/m2 is parallel to the yz plane at x = 1 m.
A hurricane-force wind of 220 blows across the face of a storefront window. Estimate the force on the 2.2 3.5 window due to the difference in air pressure
A 230 kilogram crate rests on a surface that is inclined above the horizontal at an angle of 19.4 degree. Find coefficient of static friction between crate and incline
Two infinite positively charged plates with a uniform chargedensity of 6.80 μC/m2 are placedparallel to the yz-plane with one plane passing through x = 0.65cm and the other through x = -0.65 cm, as shownin the diagram below.
Two carts with masses of 5.00 kg and 2.64 kg move toward each other on a frictionless track with speeds of 4.86 m/s and 3.46 m/s correspondingly. The carts stick together after colliding head-on. Find the final speed.
What is the maximum speed of the car (in km/hr) in the similar turn in the rain, when the coefficient of static friction is reduced to 0.720.
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