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Greeks on campus. The question-and-answer column of a campus newspaper was asked what percentage of the campus was "Greek" (that is, members of fraternities or sororities). The answer given was that "the figures for the fall semester are approximately 12 percent for the girls and 15-18 percent for the guys, which produces a ‘Greek' figure of approximately 27-30 percent of the undergraduates." Discuss the campus newspaper's arithmetic.
A 15 ohm resistor is connected to the terminal of a 12 V battery, Sketch the circuit and Calculate the current in the circuit
Determine the magnitudes of the currents in each resistor shown in the figure (Figure 1) . The batteries have emfs of E1=9.0V and E2=12.0Vand the resistors have values of R1=26Ω, R2=10Ω, and R3=39Ω.
Assume some dog tags create a sound with a frequency of 1387 Hz at rest. You place these dog tags on a greyhound dog. The dog runs towards you and moves with a speed of 10.9m/s with her tags clanging together.
When a water gun is fired while being held horizontally at a height of 1.00 m above ground level, the water travels a horizontal distance of 4.90 m. how far will the water travel horizontally
In exercise physiology studies it is sometimes important to determine the location of a person's center of mass. How far from the woman's feet is her center of mass
A tuning fork with frequency 540 Hz is dropped from a building of height 125 m by a musician. The musician can hear the fork sounding as it falls. What frequency does the musician hear right after three seconds?
Find the electric field inside a hollow plastic ball of radius R that has charge Q uniformly distributed on its outer surface
Suppose now that the apparatus, initially open, is now sealed with the air inside. If the apparatus is now heated to to 888o C, find the pressure inside the apparatus now.
An elevator cable winds on a drum of radius 80.0 cm that is connected to a motor. If the elevator moves down 9.0 m, how many revolutions has the drum made
Starting from rest at the top of a tall, steep ramp, a sphere rolls without slipping to the ground 6.9 m below. At the bottom, its speed is 9.0 m/s. Question The sphere is either solid or hollow: which is it?
One end of a 30 cm long aluminum rod with diameter 2 cm is kept at 460*C while the other end is held in water at 25*C
a 1015-kg compact car is traveling north at 15 m/s when it collides with a 2102-kg truck traveling east at 10 m/s. The insurance adjuster has asked you to find the velocity of the wreckage just after impact. What do you tell him.
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