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Determine at what speed in miles/hr (1 m/s = 2.23 mi/hr) must a certain object be thrown in order to reach a height of 91.5 m? Assume negligible air resistance.
A stationary charged particle at the origin creates an electric flux of 487 N ? m2/C through any closed surface surrounding the charge. Find the electric field it creates in the empty space around it as a function of radial distance r away from the ..
A violin string playing the note "A" oscillates at 440 Hz. What is the period of the string's oscillation? How much more intense than the threshold of hearing is a sound of 10 dB? 30 dB? 60 dB?
A 31.0cm focal length converging lens is 24.0 cm behind adiverging lens. Parallel light strikes the diverging lens. What is the focal length of the diverging lens
Use your ruler to draw the rays which will give you the location of the final image . Find the magnification of the object.
The warranty on a new tire says that an automobile can travel for adistance of 96 000 km before the tire wears out. The radius of thetire is 0.31 m. How many revolutions does the tire make beforewearing out?
What is the radius of the circular path of an electron moving at 2.5 x 106 m/s perpendicular to a 3.5 mT magnetic field
An object is placed 19 cm to the left of a converging lens of focal length 25 cm, Find the position and magnification of the final image
Assume you could mount a sphere (I = (2/5)MR^2) on top of the horizontal disk. Determine the moment of inertia of the disk and sphere together
The light shining on a diffraction grating has a wavelength of 457 nm (in vacuum). How many lines per centimeter does the grating have
A 2 kg ball on a string is rotated about a circle of radius 10 m. The maximum tension allowed in the string is 50 N. What is the maximum speed of the ball?
The centers of a 7.0 lead ball and a 110 lead ball are separated by 6.0. What gravitational force does each exert on the other
An object is undergoing simple harmonic motion with a maximum speed of 6.93 m/s and the maximum acceleration of .52 m/s^2. What is the period of this motion
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