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a speaker with acoustic power 80 mw produces a steady tone consider the speaker as a point source and take the speed of
a car traveling at 40 ms and a truck traveling at 10 ms are on the same road the car blows its horn with frequency 500
a string with length l 080 m and linear density micro 25 gm is under tension f 40 n the string is fixed at each end
a bowling ball mass 72 kg radius 015 m and a billiard ball mass 033 kg radius 0028 m may each be treated as uniform
the tub of a washer goes into its spin cycle starting from rest and gaining an angular speed of 500 revs smoothly in
a person pushes a 140-kg lawn mower at constant speed with a force of f880 n directed along the handle which is at an
a kid drops from a tree limb 30 m above a swimming holea with what speed does the kid hit the waterb if the kid is
the international space station orbits at an average height of 350 km above sea level determine the acceleration due to
if the magnitude of the electric field at the surface of an is olated solid spherical conducting ball is 01 vm and the
from the point 300040000 the next destination is at the point -2000160000 a force of 2 n is applied in the direction of
a when a 0350 kg mass is hung on the end of a spring the spring is observed to stretch by an amount of 120 cm in coming
from the origin we wish to go to the point 300040000 a force of 10n will be applied until a velocity of 5 meters per
what is the speed of a satellite in geosynchronous orbit about earth compare it with the speed of the earth as it
a monatomic ideal gas is held in a thermally insulated container with a volume of 01000 m3 the pressure of the gas is
two identical small insulated conducting spheres whose centers are 189 cm apart carry charges q1-100microc and
two traveling sinusoidal waves are described byy1500m sin400x-1200t and y2500m cos400x-1200tdetermine amplitude
a 220-caliber rifle bullet of mass 180 grams traveling at 340ms strikes a block of soft wood which it penetrates to a
1 the voltage in typical household wiring is 120 v how much current does a 100 w lightbulb draw whats the bulbs
what is the electric potential energy of an electron at the negative end of the cable relative to the positive end of
a water filled manometer is used to measure the pressure in air filled tank one leg of the manometer is open to
a 240-m-long string is under 290 n of tension a pulse travels the length of the string in 600 mswhat is the mass of the
a 43kg fishbowl sits on a smooth level table with a coefficient of static friction between the bowl and the table vs17
1 what happens to the period of a mass-on-a-spring simple harmonic oscillator if the mass is doubled what happens to
1-what are the units of the spring constant k in si units which are also called mks units mks meter-kilogram-seconds
a conducting spherical shell of inner radius b and outer radius c is concentric with a small metal sphere of radius a