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Kutu withdrew some money from a bank. he spent 3/8 of the money to pay for mutuas school fees and 2/5 to pay for tatus school fees. If he remained with ksh 12330. Calculate the amount of money he paid for tatus school fees.
The electron gun in a traditional television tube fires electrons of kinetic energy 25 keV at thescreen in a circular beam 0.22 mm in diameter; 5.6 multiplied by 1014 electrons arrive eachsecond.
Consider a storage tank utilized in systems for water heating during absorption of solar radiation. How must the surface of the tank be treated, so that the tank becomes a better absorber of thermal radiation in the visible range?
A proton enters a uniform magnetic field B in a perpendicular direction. Determine the magnitude and direction of the magnetic field B?
The sun, mass 2.0 X 10^30 kg, is revolving regarding the center of the Milky Way galaxy, which is 2.2 X 10^20 m away. It completes one revolution each 2.5 X 10^8 years. Estimate the number of stars in the Milky Way.
A 3.85 mol sample of an ideal diatomic gas expands adiabatically from a volume of 0.1510 m^3 to 0.756 m^3 . Initially the pressure was 1.00 atm
A cylinder of solid material weight 10.5 kg i the air, and 9.00 kg when submerged in water and 3 kg when submerged in another liquid. determine the density of the cylinder
A coil of inductance 81 mH and unknown resistance and a 0.84 µF capacitor are connected in series with an alternating emf of frequency 875 Hz. what is the resistance of the coil
A pipe open at one end only has a fundamental frequency of 228 Hz. How many centimeters were cut off the end of the second pipe
A particle, starting from point A in the drawing(the height at A is 3.00 m), is projected down the curved runway.Upon leaving the runway at point B, the particle is travelingstraight upward and reaches a height of 4.44 above the floor before falli..
The angular velocity of the earth is decreasing, changing the length of a day. Through the year 2000 it took 0.548 s longer to complete 365 revolutions than in the year 1900. What was the average angular acceleration of the earth through this period?
500 J of work are done on a system in a process that decreases the system's thermal energy by 200 J. How much energy is transferred to or from the system as heat
A teenager pushes tangentially on a small hand-drivenmerry-go-round and is able to accelerate it from rest to afrequency of 16.6 rpm in 11.9 s. What force is required at the edge
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