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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
A cowboy stands on horizontal ground between two parallel vertical cliffs. He is not midway between the cliffs. What is the distance between the cliffs
A balloon is filled with helium at a pressure of 2.4 x 10^5 Pa. The balloon is at a temperature of 18 degrees Celsius, How many helium atoms are contained in the balloon
A stone is thrown horizontally from the roof of a tall building with a speed of 23.3 m/s. how far from the building will the stone land
A student wearing frictionless in-line skades on a horizontal surface is pushed by a friend with a constant force of 23.00N. How far should the student be pushed, starting from rest, so that her final kinetic energy is 283J.
A ball is thrown horizontally from the top of a 85 m building and lands 140 m from the base of the building. What is the vertical component of the velocity just before the ball hits the ground in m/s
An object 1.00" high is placed 2.00" in front of a concave mirro f radius 4.00" Find p and q. Show work/picture. Locate and describe the image
An alpha particle, which is a helium nucleus, has a mass of 6.64*10^-27 kg. It is travleing horizontally at 42.3 km/s when it enters a uniform, What is the diameter of the path followed by the alpha particle
What is the speed of a wave on a string that has a mass of 9.6 kg and a length of 7.2 m while a 7.0 kg mass is hanging from the end?
assume you throw someone a ball, thereby transporting kinetic energy. Could you consider the motion of the ball to be a mechanical wave pulse.
A solid disk is rotating about an axis with uniform angular velocity. another disk, with the same moment of intertia about the rotation axis, how is the new angular velocity related to the old one
Driving in your car with a constant speed of 13 m/s, you encounter a bump in the road that has a circular cross section, as indicated in the figure. If the radius of curvature of the bump is r = 29 m, find the apparent weight of a 59-kg person in you..
A wire coil is oriented so that its plane is perpendicular to a magnetic field of 0.58 T initially pointing to the left. What is the average induced emf, if the diameter of the coil is 49 cm
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