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In the developed countries, more people are employed in the service sector than manufacturing, with a tiny percentage working in agriculture. Globally, which sector now employs the fewest people?
A 7.75- g bullet from a 9-mm pistol has a velocity of 397.0 m/s. It strikes the 0.785- kg block of a ballistic pendulum and passes completely through the block. If the block rises through a distance h = 10.15 cm
Three charges are fixed in the x-y plane as follows: 1.4nC at the origin (0, 0); 2.4nC at (0.90m , 0); -2.1nC nC at (0, 1.25m)
A wire carries a current of 0.651 A. This wire makes an angle of 56.6° with respect to a magnetic field of magnitude 4.64E-5 T. What is the length of the wire
A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, moves with velocity v in the negative x direction, what is the magnitude of the velocity of the third piece
High speed photography shows that when a golf club hits a golf ball, the club and the ball typically remain in contact for 1x 10?3 s, Estimate the magnitude of the force that the club exerts on the ball
A solid sphere with mass m = 1.5 kg a radius r = 0.20 m rolls without slipping on a flat surface with an angular velocity of ? = 7.2 rad/s. What is the total kinetic energy of the sphere
To get the top spinning, its string is pulled with a tension of 0.30. Explain how long does it take for the top to complete the first five revolutions? The string is long enough that it is wrapped around the top more than five turns.
Two disks are rotating about the same axis. Disk A has a moment of inertia of 3.7 kg · m2 and an angular velocity of +7.0 rad/s. Disk B is rotating with an angular velocity of -9.6 rad/s. The two disks are then linked together without the aid of a..
In order to manufacture these coffee tables, the company would need to incur $525,000 in fixed costs for new equipment. Calculate the break-even point of the coffee tables in units sold.
The Olympic Flame at the 1992 Barcelona Olympics was lit by a flaming arrow shot from a point 60 meter horizontally and 24 meter vertically from the flame. Determine the initial speed necessary for the arrow
A 200 ohm resistor is in series with a 0.100 H inductor and an ac source that has a peak voltage of 120V and an angular frequency of 1000 rad/s. What is the peak value of the current
A rod of mass m and radius R rests on two parallel rails that are a distance d apart have a length L. what is the speed of the rod as it leaves the rails
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