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A 2.00-kg package is released ona 53.1o incline, 4.00 m from a longspring with force constant 120 n/m that is attached at the bottom of the incline . The coefficients of friction between the package and the incline are static frictionis 0.4 and kinetic friction is 0.2. The mass of the spring is negligible.What is the speed of the package before it reaches the spring?What is the maximum compression of the spring?The package rebounds back up the incline. How close does it get to its initial position?
A spring is hanging from the ceiling. Attaching a 480 g mass to the spring causes it to stretch 21.0 cm in order to come to equilibrium. a. What is the spring constant? b. From equilibrium, the mass is pulled down 10 cm and released.
A concentration difference of a certain solute of 1.0 Ã- 10â€"2 kg/m3 is maintained between the ends of a tube with a length of 3.5 m and a cross-sectional area of 0.25 m2. What is the diffusion constant for the solute
A singly charged ion of unknown mass moves in a circle ofradius 13.0 cm in a magnetic field of7.7 T.What is the mass of the ion
Two 15cm long flat glass plates are separated by a T (10 micro m) thick spacer at one end, Find a relation among spacing between adjacent fringes delta x, lamda, L, and T
A 51.5 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.110 m/s. How much work must be done to stop it
A pulsar is a rapidly rotating neutron star that emits a radio beam the way a lighthouse emits a light beam. We receive a radio pulse for each rotation of the star. The period T of rotation is found by measuring the time between pulses. Suppose a pul..
A hot-air balloon has just lifted off and is rising at the constant rate of 2.2 m/s . Suddenly one of the passengers realizes she has left her camera on the ground.
A car sounding its horn (rated by the manufacturer at 600 Hz) is moving at 20 m/s toward the east. What frequency will he hear the assuming that the speed of sound is 343 m/s
Spider-Man attempts to save passengers on an out-of-control train using his web-slinging power. If the train (m = 137,000 kg) was at first travelling at 33m/s and he needs to stop it within 46 s, what is the magnitude of force he must provide.
A bullet is fired through a board that is 15.0 cm thick. The bullet moves along a direction perpendicular to the board. find the bullet's acceleration as it passes through the board
During an eclipse, the Sun, Earth, and Moon are arranged in roughly a straight line. Calculate the percentage change in your weight when going from one type of eclipse to the other
Outline three examples of unusual properties of Nanostructured materials and Outline the density of states for 3D, 2D, 1D and 0D systems
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