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An object with a mass of .40 kg moving with a speed of 25 m/s is brought to rest after sliding on a rough surface. The coefficient of kinetic friction is .35. What is the stopping distance of the object?
an object is solid throughout. when the object is completely submerged in ethyl alcohol its apparent weight is 15.0
A particle is located at the vector position rarrowbold = (9.00i hat bold + 10.00j hat bold) m and a force exerted on it is given by Farrowbold = (8.00i hat bold + 7.00j hat bold) N
A 15.9g bullet traveling horizontally at 871m/spasses through a tank containing 14.5kg of water and emerges with a speed of 537m/s
A standing wave is produced on a clothesline 8m long when five birds sit on the line. No birds sit on the end. What is the wave speed
a small negatively charged particle has a charge of 1.33e-6 c and a mass of 8 mg. it moves from point a where the
The speed of sound inhydrogen is 1330 m/s at 20°C (= 68°F = 293 K). A moleof hydrogen has a mass of 2.016 g. Find the dimensionless ratioγ for hydrogen if this speed of sound is correct and hydrogen behaves like an ideal gas.
A laboratory ultracentrifuge is designed to produce a centripetal acceleration of 5.0 x 10^6 g at a distance of 4.00cm from the axis. What angular velocity in rev/min is necessary.
THe index of refraction of gold is n= .31 + i2.88 at 560nm, and n=12.2 + i54.7 at 9.92um. Find the normal incidence absorptivity and reflectivity at both wavelengths. Please show each step by step.
A rock group is playing in a bar. Sound emerging from the door spreads uniformly in all directions. The intensity level of the music is 37 dB at a distance of 5.99 m from the door. At what distance is the music just barely audible to a person with a ..
While visiting Planet Physics, you toss a rock straight up at 11m/s and catch it 2.7s later. While you visit the surface, What is the mass of Planet Physics
A 2.65 block is pushed 1.69m up a vertical wall with a constant speed by a constant force of magnitude F applied at angle 55.4 degrees with the horizontal. g= 9.8 m/s2. If the coefficient of kinetic friction between the block & wall is 0.54, Calcu..
A transformer is to be used to provide power for a computer disk drive that needs 6.4 V (rms) instead of the 120 V (rms) from the wall outlet. Find the number of turns in the secondary
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