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block 2 (mass 1.30 kg) is at rest on a frictionless surface andtouching the end of an unstretched spring of spring constant 292N/m. The other end of the spring is fixed to a wall. Block 1 (mass1.40 kg), traveling at speed v1 = 5.90 m/s,collides with block 2, and the two blocks stick together. When the blocks momentarily stop, by what distance is the spring compressed?
Two 60 ohm resistor are connected in parallel. This parallel arrangement is connected in series with a 30 ohm resistor. what is voltage drop across the parallel portion of the circuit
Jeff of the Jungle swings on a vine that is 7.20 long. At the bottom of the swing, just before hitting the tree, Jeff's linear speed is 8.50. Find the magnitude of his tangential acceleration
The suspension system of your 1200 kg car has a natural oscillation frequency of 2:00 Hz without functioning shock absorbers. find At what speed are you driving
Calculate the magnitude of the angular momentum of the Venus in a circular orbit around the sun. The Venus has mass 4.87×1024 kg
A useful model of a water molecule is sketched in the figure below, with point charges of 5.2 10-20 C at the H sites, What is the total electric potential energy of this model of a water molecule
An archer wishes to shoot an arrow at a target at eye level a distance of 56.5 m away. what angle should the arrow make with the horizontal
Objective questions based on kinematics.
A 57.3-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.770 and 0.405, What horizontal pushing force is required to just start the crate moving
An electron in a television picture tube travels at 3 x107 m/s and is acted on both by gravity and by theearth's magnetic field. Which exerts the greater force on the electron
Bill can throw a ball vertically at a speed 1.2 times faster than Joe can. How many times higher will Bill's ball go than Joe's
The index of refraction for crown glass is 1.512 at a wavelength of 660 nm (red), what is the angle of refraction for each wavelength
A cardinal (Richmondena cardinalis) of mass 4.10×10^-2 kg and a baseball of mass 0.144 kg have the similar kinetic energy. What is the ratio of the cardinal's magnitude pc of momentum to the magnitude pb of baseball's momentum.
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