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A Steel guitar string has a Tension, T, a length, L, and a diameter, D. Give the multiplicative factor by which the fundamental frequency of the string changes under the following conditions:
a) The tension in the string increases by a factor of 4
b) the diameter of the string increases by a factor of 3
c) the length of the string is halved
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, you drop a 1.20 kg wrench from 3.00 mm above the ground, Express the planet's mass in terms of the earth's mass
A cube of metal has a volume of 2.00 cm3 and a mass of 6.00 g when at rest on Earth. what is its density as measured by a stationary observer
At high noon, the Sun delivers 1000 W to each square meter of a blacktop road. If the hot asphalt transfers energy only by radiation, what is its steady-state temperature?
A machinist turns the power on to a grinding wheel, at rest, at time t = 0 s. The wheel accelerates uniformly for 10 s and reaches the operating angular velocity of 66 rad/s. The wheel is run at that angular velocity for 37 s and then power is shu..
A round pipe of varying diameter carries petroleum from a wellhead to a refinery. At the wellhead the pipe\'s diameter is 55.3 cm (0.553 m), What is the volume flow rate of the petroleum along the pipe
(8c1p14) Time standards are now based on atomic clocks. A promising second standard is based on pulsars, which are rotating neutron stars, What is the mass of gasoline (? = 0.680 g/cm3) in a 94.6 L gasoline tank? (kg)
An astronaut weighs 85 N on the Moon, where the acceleration of gravity is 1.62 m/s2. How much (in N) does she weigh on Earth
Two rigid rods are oriented in parallel to each other and to the ground. Determine the current in the rods
With cooperation acrobats in circular rotating cages that are attached to two beams in a shape of a cross (one cage attached to each end of the beam) can rotate the beams. Where does this energy come from
An ac generator has a frequency of 7.4 kHz and a voltage of 41 V. When an inductor is connected between the terminals of this generator, What is the inductance of the inductor
The relationship between angular frequency and wavenumber for a deep water wave is: ?=gk????, what is the group velocity of the wave
A bowling ball weighing 71.2 is attached to the ceiling by a 3.80 rope. The ball is pulled to one side and released; it then swings back and forth like a pendulum. As the rope swings through its lowest point, the speed of the bowling ball is measured..
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