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A 6-lb block is attached to a cable and to a spring. theconstant of the spring is k=5lb/in and the tension in the cable is4 lb. if the cable is cut , determine
a) the maximum displacement of the block.
b) the maximum velocity of the block.
Charged Metal Sphere A charged metal sphere ofradius 11 cm has a net charge of2.0 10-8 C. What is the electric field at the sphere'ssurface? what is the electric potentialat the sphere's surface?
The speed of the block at the bottom of the track is vA = 13.1 m/s, and block experiences an average frictional force of 7.00 N while sliding up the track.
Tarzan, who weighs 639 N, swings from a cliff at the end of a convenient vine that is 18 m long, What would the greatest force on the vine be during the swing
In an aluminum pot, 0.15 kg of water at 100 degrees c boils away in four minutes. find the temperature at the aluminum-steel interface
A 3.1-cm-tall object is 47 cm in front of a converging lens that has a 11.8 cm focal length. Calculate the image position and height. position cm height cm.
the spacing of ruled lines on a diffraction grating is 1770 nm. the grating is illuminated with a beam of white light
Balance the meter stick at its center of gravity and hang an unknown mass (e.g. your keys) at the 90 cm mark. Place the 200-g mass on the meter stick at a location until equilibrium is reached. Record this position. what is the advantage of having th..
A swimming pool 2.6 m by 1.0 m has a uniform depth of 2.0 m, What is the absolute pressure at the bottom of the pool
A 20 {rm kg} child plays on a swing having support ropes that are 2.3 {rm m} long. A friend pulls her back until the ropes are 39.0^circ from the vertical and releases her from rest.
A proton and an electron are both accelerated through a potential difference of 7200V. What is the velocity of each particle
A planet of mass m = 1.15 × 10^24 kg is orbiting in a circular path a star of mass M = 1.65 × 10^29 kg. What is the orbital period (in earth days) of the planet Tplanet
Consider an ideal gas at 28.9°C and 0.96 atm pressure. To get some idea how close these molecules are to each other, on the average, imagine them to be uniformly spaced,
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