Sphere starts from rest and rolls without slipping
A solid sphere has a radius of 0.35 m and a mass of 120 kg. How much work is required to get the sphere rolling with an angular speed of 40 rad/s on a horizontal surface? Assume the sphere starts from rest and rolls without slipping.
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Both containers are filled initially to the same height of 1.00 m, one with water, the other with mercury. The valve is then opened. Water and mercury are immiscible. Determine the fluid level in the left container when equilibrium is reestablishe
A position vector in the first quadrant has an x component of 4 m and a magnitude of 11 m. What is the value of its y component?
If the increase in TH or the decrease in TL is & (kelvin), determine the thermal efficiency using either approach. Which thermal efficiency is bigger?
A solution prepared by dissolving 45.0 g ofNiSO4 in water. What current would be needed to deposit all of the nickel in 5 hours?
In terms of kinetic molecular theory, explain why pumping air into a collapsed soccer ball causes the ball to increase in size and become rigid.
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How do you go from a five membered ring diester to a six member edring fenchone? What steps do you need to take?
A statistician has to decide on the basis of two observations whether the parameter ? of a binomial distribution is 1/4 or 1/2; his loss ( a penalty that is deducted from his fee) is $160 if he is wrong.
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