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On a frictionless table, a spring whose force constant is 60 nt/m has one end fixed and the other attached to mass M= 3.9 kg. A cord connects mass M to a suspended rock whose mass is m= 3.2 kg. Assume an x axis origin at the movable end of the spring when the spring contains no potential energy. At some instant, with the system stationary, the cord is cut and mass M begins simple harmonic motion.Find the x coordinate and the velocity of the movable end of the spring exactly .60 sec after the cord is cut.
What is the maximum distance the center of the coin can be placed from the axis if the turntable rotates at 47.9 rev/min
A merry-go-round in the park can be considered a circular disk of mass 100 kilogram and a radius of 2.0 meter. Obtain the resulting angular velocity of the merry-go-round
in an ionic solution 5.8 x 1015 positive ions with charge 2e pass to the right each second while 6.3 x 1015 negative
Three identical train cars, coupled together, are rolling eastat 2 m/s. A fourth car traveling east at 4 m/s catchesup with the three and couples to make a four-car train. What is the speed of the five-car train
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 9 m/s2 up to his top speed of 16 m/s (36 mi/h) and sustain that s..
In a scientific test conducted in Arizona, a special cannon called HARP shot a projectile straight up to an altitude of 180.0 km. if the projectiles initial speed was 3.00 km/s, how long did it take the projectile to reach its maximum height?
In a television picture tube, electrons strike the screen after being accelerated from rest through a potential difference of 33000V. The speeds of the electrons are quite large, and for accurate calculations of the speeds, the effects of special ..
On a cool morning, when the temperature is 14.0 ^circC, you measure pressure in your car tires to be 20.0 psi. After driving 40.0 mi on the freeway, the temperature of your tires is 50.0 ^circC.
Lisa in her Lamborghini accelerates at the rate of (3.00 i - 2.00 j) m/s^2, while Jill in her Jaguar accelarates at (1.00 i + 3.00 j) m/s^2. They both start from rest at the origin of an xy coordinate system.
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 11 cm. what's the balloon's new radius
A pump has a supply cord with 63 millimeter diameter and a pressure wire out of the pump with 50 millimeter diameter. The mass flow is m = 9kg / s. Find the power of the pump
Spheres A and B are touched together and then separated. Sphere C is then touched to sphere A and separated from it. Lastly, sphere C is touched to sphere B and separated from it. Explain how much charge ends up on sphere C?
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