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A spring is hung from the ceiling. A 0.400-kg block is then attached to the free end of the spring. When released from rest, the block drops 0.170 m before momentarily coming to rest, after which it moves back upward.
(a) What is the spring constant of the spring?
(b) Find the angular frequency of the block's vibrations.
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In coming to a stop, a car leaves skid marks 77m long on the highway. Assuming a deceleration of 8m/s2, estimate the speed of the car just before braking.
A solenoid 3.74 cm in diameter and 20.4 cm long has 233 turns and carries a current of 11.5 A. Calculate the magnetic flux through the circular cross-sectional area
Young's double-slit experiment is performed with 587-nm light and a distance of 2.00 m between the slits, Determine the spacing of the slits
In proton-antiproton annihilation, a proton and an antiproton (a negatively charged particle with the mass of a proton) collide and disappear, producing electromagnetic radiation, Find the total energy of the radiation
Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. Determine the angle (in degrees) between the vectors OA and OC
Two objects of masses m1=0.56 kg and m2=0.88 kg are placed on a horizontal frictionless surface and a compressed spring of spring constant k=280 N/m is placed between them. find the final velocity of each object
A velocity selector has a magnetic field of magnitude 0.28 G perpendicular to an electric field of magnitude 0.43 kV/m. What energy must electrons have to pass through undeflected
A flight attendant pulls hero 70 N flight bag a distance of 253 m along a level airport floor at a constant velocity. The force she exerts is 40N at an angle of 52.0 degrees above the horizontal.
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
When a person is given intravenous fluid, the bag containing the fluid is typically held about 0.9 m above the person's body. what is the pressure in the person's blood
What is the force acting on the electron (magnitude and direction) ? What is the electric field (magnitude and direction ) at the point where the electron is located
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