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An alpha particle (the nucleus of a helium atom) has a mass of 6.64 multiplied by 10-27 kg and a charge of +2e. What are the magnitude and direction of the electric field that will balance the gravitational force on the particle?
A real, upright object 8 cm high is placed 12 cm to the left of a converging lens offocal length 8 cm. A second converging lens of focal length 6 cm is placed 36 cm to theright of the first lens. Both lenses have the same optic axis. Find the positio..
Water has a latent heat of vaporization of 2257 kJ/kg. Steam is used to heat a copper tube of 0.358 kg from 21 degrees C to 100 degrees C. All the heating is due to the heat released from the steam condensing. What is the minimum mass of steam that c..
A piano wire with mass 2.85 g and length 82.0 cm is stretched with a tension of 35.0 N. A wave with frequency 120 Hz and amplitude 1.40 mm travels along the wire. Calculate the average power carried by the wave. What happens to the average power if t..
What is the average electric field strength in this region?
a wheel accelerates at a constant rate from 30 rpm to 90 rpm turning through 8.00 radians in the process. two persons
An office window has dimensions 3.4 m by 1.7 m. As a result of the passage of a storm, the outside air pressure drops to 0.95 atm, but inside the pressure is held at 1.0 atm.
the distance between the slits in the two-slit experiment is 1.50 x 10^ -5 m. What is the distance on the screen between the central bright fringe and the 4th order bright fringe
A van der waals gas undergoes an isothermal expansion from specific volume V1 to specific volume V2, Calculate the change in the specific Helmholtz function
Suppose a tank contains 737 m3 of neon (Ne) at an absolute pressure of 1.01 105 Pa, What is the increase in the internal energy of the neon
Three moles of an ideal monatomic gas are at a temperature of 377 K. compute the final temperature of the gas?
an object of mass 6.66 kg is released from rest and drops 2.05 m to the floor. the collision is completely inelastic.
a charged styrofoam ball of mass 100g hangs motionless from a string that makes and angle 10 degrees with respect to
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