A 10  and 20  resistor are connected in series across a DC voltage source. The total resistance is:

A. 30 Ohms

B. 200 Ohms

C. 15 Ohms

D. None of the above

The most complex processing of sensory information occurs in the cerebral cortex

The diagram represents two small, charged, identical metal spheres, A and B, that are separated by a distance of 2.0 meters. If the two spheres were touched together and then separated, the charge on sphere A would be * q1 = - 1.6x10^-6C q2=+1.

What average force is required to stop a 1400 kg car in 6.0 s if the car is traveling at 90 km/h? Express your answer to two significant figures and include the appropriate units.

Difference between psychoanalysis and humanism

Which statement is true regarding studies of the empty nest syndrome? A. The syndrome affects only the primary caregiver. B. There are no positive aspects to the empty nest syndrome. C.

How does increasing the amount of charge on an object affect the electric force it exerts on another charged object?

A diffraction grating is illuminated simultaneously with red light of wavelength 670 nm and light of an unknown wavelength. The fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light.

Four soccer players are running down the field at the same speed. Player 1 weighs 145 lbs and is running toward the north goal, player 2 weighs 175 lbs and is running toward the south goal, player 3 weighs 155 lbs and is running toward the south

Pure water has a hydrogen ion concentration of 1 x 10 (-7) M and a ph of 7. A student measures a basic solution and finds that it has a hydrogen ion (H+) concentration of 1 x 10 (-3).

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