Wire A is twice as long as wire B but is otherwise identical. The electric field acting in each has the same magnitude. How do the currents flowing in these wires compare?
C. /A = /B
Physics & Space Science
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If the height of an object above a reference level is quadrupled its gravitational potential energy is multiplied by
A. 16 B. 4 C. 1/4 D. 1/16
Physics & Space Science
If the solubility of a compound is 30 grams per liter, how much solid is left undissolved if you mix 30 g of the compound in 0.33 L of solution?
A) 20 g B) 10 g C) 0 g D) 30 g E) 33 g
Physics & Space Science
Steep-sided stratovolcanoes are made from lava that
A) is as runny as liquid water.
B) has a medium viscosity.
C) has a high viscosity.
D) can have any viscosity.
Physics & Space Science
Water is sent from a fire hose at 34.5 m/s at an angle of 30.0° above the horizontal. What is the maximum height reached by the water, assuming the fire hose is level with the ground?
a. 7.59 m b. 15.2 m c. 30.4 m d. 300 m e. 60.7 m
Physics & Space Science