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Question: The pair of blocks shown is released from rest when the springs are unstretched. The coefficients of static and kinetic friction are 0.25 and 0.15, respectively. For ensuing motion, find:
a) maximum speed of the blocks and the stretch in the springs at that position,
b) maximum distance the 10kg block slides down the incline,
c) will the blocks rebound from the position of part B. Each spring has a stiffness of 0.25 KN/m.
A gold nucleus contains 197 nucleons packed tightly against each other. A single nucleon (proton or neutron) has a radius of about 1.310-15 m. Calculate the approximate radius of the gold nucleus. (Hint: Remember that the volume of a sphere is (4/..
A 1.80-cm-high insect is 1.35 m from a 131-mm-focal-length lens. Where is the image? Follow the sign conventions. Express your answer to three significant figures and include the appropriate units.
An inductor has inductance of 0.340 H and carries a current that is decreasing at a uniform rate of 22.0 mA/s. Determine the self-induced emf in this inductor
In the x-y plane, a charge of -4.6uC is on the x-axis at the point (-30cm,0) and a second charge of +7.2uC, Calculate the magnitude and direction of the Electric Force Fe
three equal positive charges q are at the corners of an equilateral triangle of sides a. assume the three charges
The isotope lithium-7 has a mass of 7.0160 atomic mass units, andthe isotope lithium-6 has a mass of 6.0151 atomic mass units. calculate the average atomic mass of lithium
An airplane traveling at 529 km/hr needs to reverse its course. The pilot decides to accomplish this by banking the wings at an angle of theta = 41.0 degree. Find the time needed to reverse course.
How long is the image of a metrestick formed by a plane mirror? (a) one metre (b)less than one.
Determine the smallest number of whole logs (p = 730 kg/m3, radius = 0.0750 meter, length = 2.91 meter) that can be used to build a raft that will carry four people
Two satellites are in circular orbits around a planet that has radius 9.00*10^6 m. One satellite has a mass 68.0 kg, What is the orbital speed of the second satellite
The nucleus of a hydrogen atom is a single proton, which has a radius of about 1.2 × 10-15 m. What is the ratio of the density of the hydrogen nucleus to the density of the complete hydrogen atom
A 5.0-g bullet traveling horizontally at an unknown speed hits and embeds itself in a 0.195-kg block resting on a frictionless table, Determine the initial speed of the bullet
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