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A child pushes a merry-go-round that has a diameter of 4 m and goes from rest to an angular speed of 15 rpm in a time of 64 s. Calculate the angular displacement and the average angular acceleration of the merry-go-round. What is the maximum tangential speed of the child if she rides on the edge of the platform?
While on an elevator, Jaden's apparent weight is 550N, When he is on the ground, the scale reads 600N, What is Jaden's acceleration while on the elevator
One of the problems of in-air testing of nuclear weapons (or, even worse, theuseof such weapons!) is the danger of radioactive fallout. what is the daughter nucleus
An airplane flies in a loop (a circlar path in a verticalplane) of radius 150m. The pilot's head always points toward thecenter of the loop. What is the apparent weight of the pilot at this point
Two metal objects, a saw and a wrench, are lying side-by-side on an non-conducting table; the two metal objects are not in contact with one another; Obtain the capacitance of this system
A fifteen-watt heater is used to heat a monatomic ideal gas at a constant pressure of 6.61 x 105 Pa. How long was the heater on
A circular window with 0.5m radius on a submarine can withstand a maximum pressure of 8900 N/m^2. How deep can the sub safely dive
A thick, conducting, spherical shell of inner radiusa = 0.7 cm and outer radius b = 1.3 cm is uncharged. The shell surrounds a point charge +Q = 3.10×10-3 C at itscenter (see the figure). What is the surface charge residing on the inner surface oft..
What is the current and potential difference across R2? What is the current and potential difference across R3? What is the current and potential difference across R4?
A nail gun fires a nail into a piece of wood. The nail is going a velocity of 6.8 m/s right before entering the wood. The mass of the nail is .06kg. what is the average force on the nail by the wood
Two vehicles approach a right angle intersection and then collide. After the collision, they become entangled. If their mass ratios were 1:3 and their respective speeds as they approached were both 13 m/s, find the magnitude and direction of the fina..
A rhinoceros is at the origin of coordinates at time. For the time interval from to, the rhino's average velocity has x-component and y-component. At time what is the y-coordinate of the rhino? At time what is the x-coordinate of the rhino? How far i..
A guitar string has a fundamental f=500 Hertz, find the frequency that will set string into resonant vibration
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