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a block is connected between two springs on a frictionless, horizontally level track. the other end of each spring is respectively anchored to a vertical pin set at opposite ends of the track. The spring constant for one spring is k=100 N/m and the mass of the block is .300 kg. if the period of oscillation T is .21 s, what is the spring constant of the other spring?
A rock stuck in the tread of a 63.0-cm-diameter bicycle wheel has a tangential speed of 2.80 m/s. What are the magnitudes of the rock's angular velocity and angular acceleration at t = 1.40 s
q1. the flywheel of an engine has a moment of inertia 2.80 rm kg cdot rm m 2 about its rotation axis. what is its
How many electrons would have to be removed from one sphere and added to the other to cause an attractive force between the spheres of magnitude 1.00 x 10^4 N (roughly one ton)? Assume that the spheres may be treated as point charges.
the near point of a person's eye is 52.8 cm. To see objects clearly at a distance of 24.0 cm, what should be the focal length and power of the appropriate corrective lens
A parallel plate capacitor of capacitance 4.3 µF has the space between the plates filled with a slab of glass with ? = 3.9. Find the capacitance after the glass is removed
question1a uniform electric field of magnitude 642 nc exists between two parallel plates that are 4.06 cm apart. a
First work out the momentum before and after hitting the table. Don't forget the gravitational force.
A windmill has an initial angular momentum of 8270 kg · m2/s. The wind picks up, and 5.81 s later the windmill's angular momentum is 9310 kg · m2/s
A commonly used method of fastening one part to another part is called "shrink fitting." A steel rod has a diameter of 2.0023 cm, By how many Celsius degrees should the rod be cooled
A roller coaster track has a hill with a circular curve of radius r =15 m. What is the normal force on the 60-kg passenger
A person with nearsightedness was prescribed with contact lenses of power -2.0 D. What is the range of object distances that this person can see clearly with the wrong lenses
A 2.0 kg box of running shoes slides on a horizontal frictionless table and collides with a 1.0 kg box of ballet slippers initially at rest on the edge of the table, at height h = 0.41 m. find their kinetic energy just before they strike the floor
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