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Quitting smoking and risk for type 2 diabetes
Researchers studied a group of 10,892 middle-aged adults over a period of nine years. They found that smokers who quit had a higher risk for diabetes within three years of quitting than either nonsmokers or continuing smokers.4 Does this show that stopping smoking causes the short-term risk for diabetes to increase? (Weight gain has been shown to be a major risk factor for developing type 2 diabetes and is often a side effect of quitting smoking.) Based on this research, should you tell a middle-aged adult who smokes that stopping smoking can cause diabetes and advise him or her to continue smoking? Carefully explain your answers to both questions.
After a 0.250-kg rubber ball is dropped from a height of 1.80 m, it bounces off a concrete floor and rebounds to a height of 1.20 m. (a) Determine the magnitude and direction of the impulse delivered to the ball by the floor. magnitude? direction?
question1consider a thin rod of mass 1.4 kg length 2.7 m and uniform density. the rod is pivoted at one end on a
A 60 centimeter long, 500 gram bar rotates in a horizontal plane on an axle that passes through the center of the bar. Find how much force does each jet of escaping air exert on the bar
An 84.9-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 25.2kg. What is the tension at a point three-fourths of the way up from the bottom of the chain
The image is formed on a screen 18 cm from the lens. You then place the concave lens halfway between the convex lens and the screen. To obtain a sharp image, you need to move the screen 15 cm further away from the lenses. What is the focal length ..
A tennis player receives a shot with the ball of mass 0.060kg travelling horizontally at v=43 m/s and returns the shot with the ball travelling horizontally at 60.00 m/s in the opposite direction.
A 130g block slides back and forth on a frictionless surface between two springs, Find the maximum compression of the right-hand spring
Under certain conditions in certain devices, the behavior of the current in a conductor can be represented as a function of time by the equation I(t) = Ioe^(-t/tau). Determine the amount of charge passing through a fixed point
How much charge can be placed on a capacitor with air between the plates before it breaks down if the area of each plate is 3.00 cm2
The drawing shows two situations in which charges are placed onthe x and y axes. They are all located at the same distance of 3.0 cm from the origin O.For each of the situations in the drawing, determine the magnitudeof the net electric field at the ..
The air conditioner in a car uses R-134a, and the compressor power input is 1.5 kW, bringing the R-134a from 201.7 kPa to 1200 Kpa by compression. The cold space is a heat exchanger that cools 30 degrees C atmospheric air from the outside down to..
a very massive object traveling at 100 ms in the z direction strikes a very light object that is initially at rest. if
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