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1. Describe the basic concept of the Atwood's machine. What is the net applied force? What is the mass to which this net force is applied? Show yor work.
2.An Atwood's machine consists of a 1.060 kg and a 1.000 kg mass connected by a string by over a massless and frictionless pulley. use eq 3 (m2-m1)g= (m1+m2)a to find the acceleration of the system. Assume that g is 9.8 m/s2. show your work
3. suppose that the system in question 3 has a frictonal force of .056N. use eq 4 (m2-m1)g= (m1+m2)a+f to determine the acceleration of the system. show your work
What is the source of charge carriers moving in an electric circuit, and what is the role of the battery/source in that movement
Calculate the wavelength of light in vacuum that has a frequency of 5.4 1016 Hz. What is its wavelength in benzene
A long pole is used to lift a window. If a vertical lift of 85 N is needed to raise the window, elucidate what force must be exerted along the pole? Assume the pole makes an angle of 49° with the vertical wall.
Many people mistakenly believe that the astronauts orbiting the earth are "above gravity." Compute the acceleration because of gravity, g, for space shuttle territory, 245 kilometres above the earth's surface (dashed line in sketch). Earth's mass ..
Light of wavelength 650 nm falls on a 0.48 mm wide slit and forms a diffraction pattern on a screen 1.8 m away.
What is the CD's moment of inertia for rotation about a perpendicular axis by the edge of the disk.
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A liquid with a density of 1680 kg/m3 flows through a horizontal pipe with varying cross section. Determine the pressure in the second section
what is meant by 'net charge a. the total amount of positive charge of an object b. the total amount of negative charge on an object c. the total amount of neutral charge on an object d. A minus B
Two rocks are thrown off the edge of a cliff that is 15.0 m above the ground. The first rock is thrown upward, at a velocity of +12.0 m/s. determine at what velocity it hits
A Michelson interferometer uses light from glowing hydrogen at 486.1 nm. As you move one mirror, 530 bright fringes pass a fixed point in the viewer. How far did the mirror move.
Avoiding air resistance, what is the magnitude of the total velocity of the package at the moment it is thrown as seen by an observer on the ground? Answer in units of m/s.
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