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A mass of 7 kg is compressed into a spring on a horizontal surface. It is compressed into the spring 0.79 meters and held still. The force required is 668 Newtons. It is then released from rest and the mass travels over a originally frictionless, horizontal surface, but at the end of the surface there is some friction with a coefficient of kinetic friction of 0.72. It then travels up a frictionless incline with an inclination angle of 17 degrees. It travels a distance of 4 meters up the incline before it stops. What was the length, in meters, of the portion of the horizontal surface that had friction?
When a substance is boiled, what happens to the mass?
Calculate the rate of flow of glycerine of density 1.25 x 103 kg/m3 through the conical section of apipe if the radii of its ends are 0.1m & 0.04m and the pressure drop across its length is 10N/m2
A dog pulls on a pillow with a force of 2.8 N at an angle of 32° above the horizontal. Find the x and y components of the force
A stationary particle having a rest mass energy of 1400MeV disintegrates into two particles called "pions," a p+ and a p-, that travel in opposite directions.
How much does the rocket clear the top of the wall
A small object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. The upper end of the rope is attached to the ceiling.
For about 10 years after the French revolution, the French government attempted to base measures of time on multiples of ten: One week consisted of 10 days, find the ratio of the French decimal week to the standard week
how America understood fundamentalism at the time.
You stand on a frictionless platform that is rotating at anangular speed of 1.2 rev/s. Your arms are outstretched, and you hold a heavyweight in each hand. What is the resulting angular speed of the platform
two point charges lie on the x axis. a charge of 9.5 microc is at the origin and a charge of -6.5 microc is at x 10.0
A 60.0-kg runner expends 335 W of power while running a marathon. determine the volume of bodily fluid (assume it is water) lost per hour
Electromagnetic waves (light) can form standing waves. In a certain standing wave pattern formed by microwaves, What is the microwave frequency
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