A 3.0-? resistor is connected in parallel with a 6.0-? resistor. This combination is then connected in series with a 4.0-? resistor
The resistors are connected across an ideal 12-volt battery. How much power is dissipated in the 3.0-? resistor?
A) 6.0 W B) 2.7 W C) 5.3 W D) 12 W
C
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Describe the surface features of Venus. If the atmosphere is so thick and the planet is so hot, how do we know about these surface features on Venus?
What will be an ideal response?
Uniform Circular Motion: In a carnival ride, passengers stand with their backs against the wall of a cylinder. The cylinder is set into rotation and the floor is lowered away from the passengers, but they remain stuck against the wall of the cylinder. For a cylinder with a 2.0-m radius, what is the minimum speed that the passengers can have so they do not fall if the coefficient of static friction between the passengers and the wall is 0.25?
A. 8.9 m/s B. 2.3 m/s C. 3.0 m/s D. 4.9 m/s E. It depends on the mass of the passengers.
What element is notably deficient in Saturn's atmosphere, and why?
What will be an ideal response?
A particle (charge = 50 mC) moves in a region where the only force on it is an electric force. As the particle moves 25 cm from point A to point B, its kinetic energy increases by 1.5 mJ. Determine the electric potential difference, VB - VA
a. -50 V b. -40 V c. -30 V d. -60 V e. +15 V