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A horizontal force of 30 Newton pulls a block of mass 3.7 kilogram across a level floor. The coefficient of kinetic friction between the block and the floor is (mu)K = 0.25. If the block begins with a speed of 6 meter per second and is pulled for a distance of 16 meter, obtain what is the final speed of the block?
a person walks first at a constant speed of 4.80 ms along a straight line from point circle a to point circle b and
a 30 kg block on a frictionless surface experiences two perpendicular forces in the x and y directions. if the force in
the coefficient of static friction between a block of wood of mass 26.4-kg and a rough table is 0.89. the table is
The planet Jupiter revolves around the Sun in a period of about 12 years (3.79 × 108 seconds). What is its mean distance from the center of the Sun? The mass of the Sun is 1.99 × 1030 kilograms. A. 1.1 × 10^11 meters B. 1.5 × 10^11 meters C. 2.3 ×..
Three ships leave a spacestation at nearly the same time. As seen by a spacestation observer, Find the speed and direction of ships 2 and 3
A spark-ignited engine has a compression ratio of 8, an isentropic compression efficiency of 85%. Determine the energy transfer for each of the four components
the nucleus of a atom an isotope of the element xenon with mass 125 is 6.0 in diameter. it has 54 protons and charge
A car at the Indianapolis-500 accelerates uniformly from the pitarea, going from rest to 285 km/h in asemicircular arc with a radius of 196m. Determine the radial acceleration of the car at this time
A 11.9-g mass is suspended 1.47 cm above a nonconducting flat plate, directly above an embedded charge of q. If the mass has the same charge, q, how much must q be so that the mass levitates (just floats, neither rising nor falling)? If the charge..
The shell, with radius R and negligible thickness, has net charge - 4.00 q. Find out an expression for the electric field strength outside the sphere, r> R.
How much time is spent in pushing the mower
120-v rms signal at 60.0hz is applied across a 30.0mH inductor and a 100 resistor. what is the rms value of the voltage across the inductor
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