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A merry-go-round starts from rest and accelerates uniformly over11.0 s to a final angular velocity of8.40 rev/min.
a) Find the maximum linear speed of a personsitting on the merry-go-round 5.75 m fromthe center.b) Find the person's maximum radial acceleration.c) Find the angular acceleration of the merry-go-round.d) Find the person's tangential acceleration.
What is the magnetic field amplitude of an electromagnetic wave whose electric field amplitude is 15V/m
At NASA's Zero Gravity Research Facility in Cleveland, Ohio, experimental payloads fall freely from rest in an evacuated vertical shaft through a distance of 132 m. How fast will the payload be traveling when it reaches the bottom of the shaft
An RLC circuit with R = 28.7 ohms, = 348 mH, and = 41.4 microfarads is connected to an ac generator with an rms voltage of 27 V. Determine the average power delivered to this circuit when the frequency of the generator is half the resonance frequency
a parallel-plate capacitor is designed so that the plates can be pulled apart. the capacitor is initially charged to a
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 51.0cm. find the magnitude of the gravitational acceleration on this planet
a star of mass 2.0 1031 kg that is 4.4 1020 m from the center of a galaxy revolves around that center once every 1.8 x
a sample of paramagnetic salt contains 2.0 times 1024 atomic dipoles each of dipole moment 1.5 times 10-23 j t-1. the
An object with a mass of 5.5 kg is allowed to slide from rest down an inclined plane. What is the speed of the object at the bottom of the plane
A 84.0kg skydiver can be modeled as a rectangular "box" with dimensions 24.0cm x 47.0cm x 178cm, What is his terminal speed if he falls feet first
The mean distance between earth and the sun is 1.50 x 1011 m. determine the total power radiated by the sun
An astronaut weighs 275 lbs with equipment here on the surface of the earth. If he goes to a planet where the acceleration of gravity is 12.5 ft/s/s, What will be his mass be there
two 50 g ice cubes are dropped into 200 g of water in a glass. if the water was initially at a temperature of 25oc and
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