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A strong weightless rope has a mass m hanging from the middle of it, as shown. The tension force on each rope is 25 N, and the rope droops at an angle of 20.0°. How much mass is hanging from the rope?
A 530kg cannon fires a 11kg cannonball with a speed of 200m/srelative to the muzzle, When the cannon fires, what is the speed of the cannonball relative to the earth
An airplane with a speed of 89.1 m/s is climbing upward at an angle of 31.5 ° with respect to the horizontal. Relative to the ground, determine the angle of the velocity vector of the package just before impact
Two concentric conducting spherical shells produce a radially outward electric field of magnitude 49,000 N/C at a point 4.10 m from the center of the shells. find the amount of charge on the outer surface of the larger shell
A circular parallel-plate capacitor with a spacing of 3.2 mm is charged to produce a uniform electric field with strength of 1.50 multiplied by 106 N/C. What plate radius is required if the stored charge is -15.6 µC.
Suppose that the specific heat capacity cp Of the body discussed in Section 7.6 of the text is 10 J kg-1 K-1and T1 =200 K. Find the entropy change of the universe in both cases
Studies of the relationship of the sun to our Galaxy- The Milky Way - Have revealed that the sun is located near the outer edge of the galatic disc, what is the period of the sun's galactic motion
The metallic sphere on top of a large van de Graaf generator has a radius of 2.0 m. Suppose that the sphere carries a charge of 3x10-5 C. How much energy is stored in this device
A long jumper (as shown in the figure) leaves the ground at an angle of 17.0° to the horizontal and at a speed of 10.6 m/s. How far does he jump
Two long, straight wires are parallel and are separated by a distance of d = 0.230 m, The top wire in the sketch carries current I1 = 3.80 A, toward the right, and the bottom wire carries current I2 = 7.00 A, what are the magnitude and direction of t..
Calculate the change in potential energy of a 86.4 kg man when he takes an elevator from the first floor to 35th floor, if the distance between floors is 4.11 m
A log splitter uses a pump with hydraulic oil to push a piston, which is attached to a chisel. find the power needed to operate the log splitter's pump
On October 21, 2001, Ian Ashpole of the United Kingdom achieved a record altitude of 3.35 km (11,000 ft) powered by 600 toy balloons filled with helium. Estimate the total buoyant force on the 600 balloons
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