Determine work should the total external force
A 6100-kg satellite is in a circular earth orbit that has a radius of 2.7x10^7 m. A net external force must act on the satellite to make it change to a circular orbit that has a radius of 5.6x10^6 m. What work must the net external force do?
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A motor spins an 2 kg block around on an 80 cm arm at 200 rpm. The blosk is supported by a steel table after the motor stops. How long does the block take to come to rest? How many revolutions does it make during this time?
Draw a vector to represent the direction of the net force on the -q charge due to the other two charges when it is at those points.
A 38.0-N frictional force opposes the motion of the cart. (a) What is the magnitude of the force that the shopper exerts?
The thrust of its engines is 2.30x10^5 N. In being launched from rest it moves through a distance of 87 m and has a kinetic energy of 4.60x10^7 J at lift-off. What is the work done on the jet by the catapult?
A student earns $14 per hour for tutoring and $7 per hour as a teacher's aid. Let X= the number of hours each week spent tutoring, and y=the number of hours each week spent as a teachers aid. Write the objective function that describes total weekl
When an 81.0-kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 2.25x10^3 J. By how much does the potential energy of a(n) 18.5-kg child increase when the child climbs a norm
When she leaves the track, she follows the characteristic path of projectile motion. Ignoring friction and air resistance, find the maximum height H to which she rises above the end of the track.
The crest of the second hill is circular, with a radius of r = 34 m. Neglect friction and air resistance. What must be the height h of the first hill so that the skier just loses contact with the snow at the crest of the second hill?
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This project challenges you to analyze and interpret real-world revenue data from two of the world's leading luxury companies.
Renew the mortgage without the accelerated payment option but increase the amount of the mortgage payments to pay off the mortgage in a total of 15 years
Sheila's counseling records, the counselor's responsibility is to balance legal obligations with the ethical duty to protect client confidentiality.
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