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A charge of -8.8 µC is travelingat a speed of 7.3*106 m/s in a region of space where thereis a magnetic field. The angle between the velocity of the chargeand the field is 52°. A force ofmagnitude 5.2*10-3 N acts on the charge. What is the magnitude of the magnetic field?
A venturi meter is a device for measuring the speed of a fluid within a pipe. A gas flowing at a speed v2 through a horizontal section of pipe whose cross-sectional area A2 = 0.0700 m2. The gas has a density of ? = 1.20 kg/m3.
Sound exits a diffraction horn loudspeaker through a rectangularopening like a small doorway. A person is sitting at an angle off to the side of a diffraction hornthat has a width D of 0.0869 m.
The dummy in a crash test has a head of mass 3 kg. The dummy is strapped in firmly so that the body does not move. The car's forward speed changes from 24 m/s to zero in 0.23 s.
A closed Gaussian surface in the shape of a cube of edge length 2.50 m. It lies in a region where the nonuniform electric field is given by = (3.35x + 4.36) + 6.10 + 7.19N/C
A sound wave with intensity 4 mW/m2 interferes destructively with a sound wave that has an intensity of 13 mW/m2
a sample of nitrogen of mass 3.12g at 23.0 degree celsuis is allowed to expand reversibly and adiabatically from 400cm^3 to 2.00dm^3. what is the work done by the gas
The Earth's radius is 6370 km . There is a downward-pointing electric field in the atmosphere above the Earth's surface, What is the flux of the electric field out of the Earth, What is the charge on the Earth
Determine the same situation, but now let the initial speed v0 of the first ball be given and treat the height h of the building as an unknown. What should the height of the building be for both balls to reach the ground at the same time for v0= 8..
the coefficient of static friction between the tires of a car and the street is 0.77. what is the sttepest angle on which the car can be parked without slipping
An automobile can be considered to be mounted on four identicalsprings as far as vertical oscillations are concerned. The springsof a certain car are adjusted so that the oscillations have afrequency of 2.62 Hz.
A step-down transformer is used for recharging the batteries of portable electronic devices. Find the current on the secondary side
A 45.5-g golf ball is driven from the tee with an initial speed of 40.3 m/s, determine the kinetic energy of the ball at its highest point
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