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The spherical shell of inner diameter R and outer diameter 3R consists of a uniform density e. Find out the magnitude of the gravitational acceleration a distance 2R from the center of the spherical
A block having mass 5.0 kg is pulled across a horizontal surface at a constant speed by a force 14 N directed at 35 degrees from the horizontal. Find out the coefficient of kinetic friction among th
Compute present value of contract on date of first payment if interest rate is 7% per year, compounded continuously.
Determine how far apart should two 1-coloumb objects be positioned so that the coulomb force is equivalent to the earth's gravitational force on a 100 kg mass?
To estimate elevation of the mountain top the surveyor measures angle of elevation from the point 10000ft away and this angle measured 32 degrees. Find elevation of mountain?
Two children, Jason and Betsy, ride on the similar merry-go-round. Jason is at distance R from the axis of rotation; Betsy is at distance 2R from the axis. (i) Evaluate the ratio of Jason's angular
60 ft. ladder is leaning against the building and ladder makes the angle of 65 with ground. How far is foot of ladder from base of building and how high up th building does it reach?
Determine the speed which must a vehicle maintain to drive on the vertical circular wall of radius 20 m when the coefficient of static friction between the vehicle tires and the wall is 0.4?
The sector of the circle has the central angle which has the measure of 95 degrees. If radius of sector is 16 ft., find length of arc subtended and measure of the area of this sector?
A block of 1.2 kg is hung from a vertical spring, causing the spring to stretch by 2.4 cm. Determine by how much farther will the spring stretch when a 0.60 kg block is added to the 1.2 kg block?
Let, consider as a system the Sun with Saturn in a circular orbit around it. Determine the magnitude of the change in the velocity of the Sun relative to center of mass of the system throughout the
Determine the realy zeros using the graphing calculator, relative maxima and minima and range of polymonial function.
Shadow is 5 feet long. Angle of elevation from tip of shadow to lamp is 50. To nearest foot, how much lamppost is feet tall?
To save for the new car you put 200 the month into acount earning intrests at 3% per year, compounded continously. How much money do you possess 2 years after first deposit, right before you make depo
Where must you place a (1.8 kg) half gallon of milk, relative to the left end of the basket, so that the center of mass of groceries is at the center of the basket?
Find out how far from the center of the planet is the planet-moon center of mass?
Annual deposits of 2700 dollars are made in the bank account earing 8% intrerest per year. Find the balance in account right after 15th depist if interest is computed annually?
Pinky consists of a mass of 3.36 kg sits on a pump handle at a distance 33.19 cm from the axis of rotation. By using this information, find out the torque of Pinky and the handle if Pinky is on top
Clothing consists of a static coefficient of friction against steel in the range .6 to 1.0 and a kinetic coefficient in the range of .4 to .7. Determine the minimum rotational frequency in rpm, for
A sample of helium gas of 2.60 mol initially at 300 K, and 0.400 atm is compressed isothermally to 1.00 atm. Note that the helium behaves as the ideal gas. (i) Determine the final volume of the gas.
An ideal gas primarily at 345 K undergoes an isobaric expansion at 2.50 kPa. The volume rises from 1.00 m3 to 3.00 m3 and 13.2 kJ is transferred to the gas by heat. (i) Determine the change in interna
When the ice melts than what volume of liquid water will form? And after the ice melts how much water could you add to the container? If you have a 250-mL container wholly filled with
Jose used a=-pi/8 and Aparna a=3pi/8 used. Students got different equations in x' and y', but both were right. Describe how this is possible.
The heat capacity of a bomb calorimeter was calculated by burning 6.79 g of methane where the energy of combustion =-802 kJ/mol CH4 in the bomb and the temperature changed by 10.1°C.
Explain at what mass of this substance must evaporate to freeze the 200 g of water initially at 15 C. Heat of fusion of water is 334 and specific heat 4.18. Heat of vaporization 289, and th