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A point charge Q = 5.00 µC is located at the center of a cube of side L = 0.200 m. In addition, six other identical point charges having q = -0.5 µC are positioned symmetrically around Q, as shown in Figure P24.17. Decide the electric flux going out through one face of the cube.
A tennis player hits a 58.0g tennis ball so that it goes straight up and reaches a maximum height of 7.05m . A) How much work does gravity do on the ball on the way up? B) How much work does gravity do on the ball on the way down?
A 0.2 kg mass is attached to two springs by identical spring constants of 90 N/m and moves on a horizontal frictionless surface. The equilibrium length of each spring is 48 cm, so each is slightly stretched (to 50 cm) initially. The mass is then move..
The quartz crystal in a digital watch has a frequency of 32.8 kHz. What is its period of oscillation?
a wire 4.0 m long with a mass of 20 g is under tension. a transverse wave is propagated on the wire for which the
If the heat pump is reversed so that it acts as an air conditioner in the summer, what would be its coefficient of performance
An AM radio station operating at a frequency of 960 kHz radiates270 kW of power from its antenna. How many photons are emitted with the antenna every second?
An 15 by 7.5 house is built on a concrete slab 29 thick. What is the heat-loss rate through the floor if the interior is at 22 while the ground is at 12
A uniformly charged plastic disk has a radius of 0.270 m. At what distance from the center along the central perpendicular axis is the magnitude of the electric field equal to one-half the magnitude of the field at the center of the surface of the di..
A driver applies a horizontal force of 20 N (to the right) to the top of a steering wheel. Calculate the angular acceleration of the steering wheel about the central axis
Calculate the number of electrons in a steel iron pinhead. The pinhead may be assumed to be spherical with a diameter 2mm
A forces of 16.88 N is applied tangentially to a wheel of radius 0.340 m and gives rise to an angular acceleration of 1.20 rad/s^2
A cylindrical air tank has dimensions diameter = 0.2m and height 0.8m, Calculate the mass of air in the tank (kg) (have to use ideal gas law, molecular weight of air)
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