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Q. Two 325 kg masses (722 lb) are separated by a distance of 4 m. Using Newton's law of gravitation, find the magnitude of the gravitational force exerted by one mass on the other.
Q. A daredevil is shot out of ta cannon at 45 deg, to the horizontal with an initial speed of 25 m/s. a net is positioned a horizontal distance of 50 m. from the cannon. at what hight above the cannon should the net be placed in order to catch the daredevil.
Internet to cite an example of each of the structures. Discuss the advantages and disadvantages of each structure
Explain All the rest of Teresa's estate was left to Hillman College and While going to Teresa's funeral, the car in which Amos, Brenda
Damon Enterprises' stock is currently selling for $25.00 per share. The stock's dividend is projected to increase at a constant rate of seven percent per year.
Microtech Corporation is increasing rapidly and currently needs to retain all of its earnings, hence it does not pay dividends. However, investors expect Microtech to begin paying dividends, beginning with a dividend of $1 coming in three years from ..
Explain To enhance their familiarity with the best research practices in health care settings
define the magnitude of the initial velocity. use 9.81 m/s^2 for the acceleration due to gravity on earth.
Please review the advantages and disadvantages of each of the three "rules" that govern a finding of guilty by reason of insanity. Which of the three do you think is best?
Examine your personal expenses on a variable and fixed basis. Determine some of your personal fixed costs and variable costs? What could cause them to change?
find the coefficient of kinetic friction between the crates and the table.
Choose one of the roles of forensic psychologists you have studied in the first five units, and explain how it can be used to assist the legal system. What are the ethical obligations of the role you chose?
A dentist uses a small mirror of radius 45 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 14 mm from the tooth, what is the magnification of the resulting image.
Find the wavelengths of these extremes at a temperature. find out the force exerted by the man on the rope, and the work done in dragging the box over a distance of 15m.
A duck has a mass of 2.6 kg. As the duck paddles, a force of 0.11 N acts on it in a direction due east. In addition, the current of the water exerts the force of 0.12 N in a direction of 44° south of east. When these forces begin to act, the velocity..
The needle of a sewing machine moves up and down in the same hermonic motion its driving force comes from a rotating wheel that is powered by an electric motor. how do you imagine that theup-and-down needle comapres with the period of the rotating..
A proton collides elastically with a stationary deuteron. If the proton is deflected by 37 degrees, what fraction of its kineti energy does it transfer to the deuteron.
What is wavelength in meters of an electron
An electronic device dissipating 30 W has a mass of 20g and a specific heat of 850 J/kgoC. The device is lightly used, and it is on for 5 min and then off for several hours, throughout which it cools to the ambient temperature of 25 o C.
An object, mass 1.48 kg, moves in a horizontal circle with a radius of 1.52m. The object has an intial velocity of 28.0 m s-1. If the kinetic coefficient of friction between object and surface is 0.382.
Describe two different energy alternatives to fossil fuels in detail. Discuss how they work, how they compare with fossil fuels, and their relative advantages and disadvantages.
While rearranging a dorm room, a student does 276 J of work in moving a desk 1.7 m. What was the magnitude of applied horizontal force.
A 270 m wide river flows due east at a uniform speed of 2.30 m/s. A boat with the speed of 8.4 m/s relative to water leaves the south bank pointed in a direction 38o west of north. What is (a) magnitude and (b) direction of the boat's velocity rel..
A hot ( ) lump of metal has a mass of 250g and a specific heat of 0.25 . John drops the metal into a 500g calorimeter containing 75g of water at . The calorimeter is constructed of a material that has a specific heat of 0.10 . When equilibrium is ..
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