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You pluck a G string on a guitar which should be 196hz, and you wish to tune this string. A tuning fork is known to vibrate at 196hz is simultaneously struck, and in a time period of 10s you count 17 beats. Determine the actual frequency of the guitar string.
On an essentially frictionless ice rink, a skater moves at 3 m/s. Find the length of the rough patch
A barge has vertical sides and a flat bottom of 320 ft^2 area. when partially filled, the barge is immersed in fresh water to a depth of 2 ft. upon removal of the load the barge rises 16.0 in.
A ball is thrown off a 24 m high cliff at 7 m/s, 50o above the horizontal. How long does it take to hit the ground
question1a student has two ramps both of that are at an angle 25deg. ramp 1 is frictionless and ramp 2 has friction.
A simple 1 meter long pendulum oscillates at a location where g = 9.80 m/s2. Find how many complete oscillations does it make in 4 minute
Mayan kings and many school sports teams are named for the puma, cougar, or mountain lion Felis concolor, the best jumper among animals. With what speed, in SI units, does it leave the ground
in the quark model of fundamental particles a proton is composed of three quarks two up quarks each having charge 2e3
lets say you take an ordinary wire coat hanger and straighten out the hook shaped part that normally hangs over the
A person is riding a bicycle, and its wheels have an angularvelocity of +20 rad/s. Then the brakes are applied and the bike isbrought to a uniform stop. What is the angular accleration (in rad/s^2) of each wheel
Typical field strengths are a few femoteslas (1fT=10^-15T). An adult brain is about 140mm wide, A reasonable magnetic field is 4.35fT at the sensor. According to this model, what is the current in the brain?
A space vehicle is coasting at a constant speed of 21.3 m/s in the +y direction relative to a space station. The pilot of the vehicle fires a thruster which causes it to accelerate at 0.35 m/sin the +x direction. After 46.0 seconds the pilot shuts of..
As part of an exercise routine a 47.0 kg person climbs a set of stairs. Each stepis18.0 cm high and thereare 78 steps in the staircase. Assuming the work done coming down the staircase is negligible, howmany times must this person climb the staircase..
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