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A block of mass 1.75 kg is kept at rest as it compresses a horizontal massless spring (k = 88.3 N/m) by 5.59 cm. As the block is released, it travels 0.302 m on a rough horizontal surface before stopping.The acceleration of gravity is 9.8 m/s^2.
Calculate the coe?cient of kinetic friction between surface and block.
a power transmission line feeds input power at 2300 v to a stepdown transformer with its primary windings having 4000
What is the new momentum of the puck. What is the length of pipe.
a prospective cohort study is run to estimate the incidence of stroke in persons 55 years and older. all participants
question a 5 kg ball is thrown upward with an initial speed of 30 meters per second. suppose there is a constant air
a astronomers on planet zog whose sun is 1.4 x 1011 m away measure their solar flux to be 1250 wm2. what is their suns
How much power must you exert to horizontally drag a 20.0 kg table 14.0 m across a brick floor in 40.0 s at constant velocity, assuming the coefficient of kinetic friction between table and floor is 0.550.
R = 660.0 ohm C = 1.00 uF inductance = 250 mH generator frequency = 256 Hz rms voltage = 24.0 V , What is the phase angle
The missle traveling at 15 m/s exploded into parts with mass 6and 14 kg. The velocity of the big part increased to 24 m/sin the direction of motion. Find velocity of the second part
A movig particle encounters an external electric field thatdecreases its kinetic energy from 9510 eV to 6610 eV as theparticle moves from position A to position B. Theelectric potential at A is -59.0 V, and that at Bis +24.0 V. Determine the charge o..
what is the resistance in an rl circuit with l 38.21 mh if the time taken to reach 83.0 of its maximum current value
a cylindrical can 8.00cm outside diameter and 20cm high floats upright in the water. how high will the water rise
Two loudspeakers are placed 3.00meters apart, as shown in thefigure . They emit 494 Hz sounds, in phase. How far must the microphone be moved to the right to find thefirst intensity minimum
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