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A 540 g ball swings in a vertical circle at the end of a 1.2 m-long string. When the ball is at the bottom of the circle, the tension in the string is 23 N. What is the speed of the ball at that point?
A bicycle with 0.80m -diameter tires is coasting on a level road at 5.6m/s. A small blue dot has been painted on the tread of the rear tire. What is the angular speed of the tires
A mass of 2.0 Kg hangs from a spring with a force constant of 50 N/m. What is the amplitude of the resulting oscillations
A cubical Gaussian surface surrounds charges, q1=6.0 x 10-12C, What is the electric flux passing through the surface
Consider the Earth and a cloud layer 600 m above the planet to be the plates of a parallel-plate capacitor. what is the maximum charge the cloud can hold
Digital bits on a 12.0-cm diameter audio CD are encoded along an outward spiraling path that starts at radius R1=2.5cm, Determine the total length of the spiraling path
wo point charges of equal magnitude are 8.2apart. At the midpoint of the line connecting them, Find the magnitude of the charges
An average force of 201 N is exerted to draw the string back 1.3 m. unless otherwise directed, imagine that air resistance is negligible. Illustrate energy bar graphs to solve the difficulty .
Write an expression for a harmonic wave that has an amplitude of 18cm, a wavelength of 2.0m, and propagates to the left at 15 m/s
Light of wavelength 630 nm passes through a grating and then onto a screen located several meters from the grating. Determine the wavelength of the second source
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. find how deep is the submarine
Find out the acceleration of the sled and child
Sound with a frequency of 431 Hz travels through steel. A wavelength of 11.27 m is measured. determine the speed of the sound in steel
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