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A thin uniform rod has a length of 0.450m and is rotating in a circle on a frictionless table. The axis of rotation is perpendicular to the length of the rod at one end and is stationary. The rod has an angular velocity of 0.38rad/s and a moment of inertia about the axis of 3.10×10?3kg\cdot m^2 . A bug initially standing on the rod at the axis of rotation decides to crawl out to the other end of the rod. When the bug has reached the end of the rod and sits there, its tangential speed is 0.124m/s . The bug can be treated as a point mass.
A) What is the mass of the rod?
B) What is the mass of the bug?
One liter (1000 cm ^3) of oil is spilled onto a smooth lake it the oil spreads out uniformly unit it makes an oil slick just one molecule thick with adjacent molecules just touching estimate the diameter of the oil slick
What is this value? In this state, the interference pattern still appears showing that each individual electron can interfere with itself.
If the airplane somehow continues to fly as if nothing had happened, where is engine relative to the airplane at the moment the engine hits ground.
A small steel ball bearing with a mass of 11g is on a short compressed spring. When aimed vertically and suddenly released, spring sends the bearing to a height of 1.21 m. compute the horizontal distance the ball would travel if the same spring we..
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 46 dB by an observer 10 km away. What is the average power generated by the horn
Light of wavelength 646nm from a distant source is incident on a slit .720mm wide, What is the distance between the two dark fringes on either side of the central bright fringe
Calculate the cost of electricity using a AA alkaline battery compared to the cost of electricity we use at home
The 2.00 kg object below is released from rest at the height of 5.0 m on a curved frictionless ramp. At the foot of the ramp is a spring of force constant k = 450 N/m. The object slides down the ramp and into the spring, compressing it a distance x b..
Alan leaves Los Angeles at 8:00 a.m to drive San Francisco, 400 mi away. He travels at a steady 50 mph. find Who gets to San Francisco first
The suspended 2.82 kg mass on the right is moving up, the 2.2 kg mass slides down the ramp, and the suspended 8.1 kg mass on the left is moving down. There is friction between block and ramp. What is the acceleration of a three block system.
A charge -Q is uniformly distributed along a circular arc of radius R beginning on the +y axis and ending on the -x axis. Find the electric potential at the origin
A picture window has dimensions of 1.40 m×2.50m and is made of glass 5.50mm thick. At what rate is heat being lost through the window by conduction
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