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Compute the mass of a chlorine anion of charge 3.20 x 10-19 C if it follows a circular path of radius 0.862 cm after it has been accelerated during a potential difference of 250V and the exposed to a uniform magnetic field of strength 3.00 T
The weight of a block of metal is measured with a scale first in air, then in water. Find the specific gravity of the metal ( the ratio of the density of metal to the density of water). The tension of the block is measured 6.0N in air and 4.0N in wa..
A full cylinder has an absolute pressure of 1.9 107 Pa when the temperature is 300 K. Find out the mass of oxygen in the cylinder.
A steel beam that is 5 m long weighs 320N. It rests on two supports, 3.00 m apart, with same amounts of the beam extending from each end. Suki, who weighs 525N, stands on the beam in the center and then walks toward one end. How close to the end c..
A 1.2-kg mass suspended from a spring of spring constant 22 N.m-1 executes simple harmonic motion of amplitude 5 cm. What is the speed of the mass when the spring is stretched 2.5 cm from its equilibrium position?
question an aluminum baseball bat has a length of 0.81 m at a temperature of 20degc. when the temperature of the bat is
A mass spectrometer is a device which consists of a velocity selector, with crossed electric and magnetic fields E = 950 V/m, B = 0.93 T. Calculate the radius for a singly ionized charged particle with a mass m = 2.18 × 10-26 kg
An electric toaster operating on 110.8 volts draws a current of 5 amperes. What is the resistance of the toaster
The bullet becomes embedded in the block. if the coefficient of kinetic friction between the block and surface is .65 what was the speed of the bullet at once before impact.
The large blade of a helicopter is rotating in a horizontalcircle. The length of the blade is 7.64 m, measured from its tip tothe center of the circle. Find the ratio of the centripetalacceleration at the end of the blade to that which exists at apoi..
a 17.0-g piece of styrofoam carries a net charge of -0.75 microc and is suspended in equilibrium above the center of a
Obtain the coefficient of kinetic friction between a 4.8 kilogram block and the horizontal surface on which hit rests if a 70 N/m spring must be stretched by 1.9 centimeter to pull the block with constant speed
when light of wavelength 300 nm is incident upon potassium the emitted electrons due to the photoelectric effect have a
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