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A certain Physics teacher is hungry! He sets a snare (trap)outside his class for rabbits An unsuspecting student accidentallysteps into the trap and is pulled upward at an angle of 60 degrees with a force of 2000 Newtons. What id the resultant force on thestudent in Cartesian (or Rectangular) coordinates?
A 110-m-wide river flows due east at a uniform speed of 1.5 m/s. A boat with a speed of 8.5 m/s relative to the water leaves the south bank pointed in a direction 39o west of north. find the direction of the boat's velocity relative to the ground
At a given instant, the blood pressure in the heart is 1.50 104 Pa. If an artery in the brain is 0.43 m above the heart, what is the pressure in the artery
An analog signal in the range 0 to +10V is to be digitized with a quantization error of less than 1% of full scale. What is the resolution of the conversion
A 59.00kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12-m. If the skier's speed at point A is 7.0 m/s, what is the normal force exerted by the snow on the skier at point B? Ignore f..
In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.30 m, What was the direction of the mug's velocity just before it hit the floor
Two point charges and are held in place 4.50 apart. Another point charge -2.5 of mass 6 is initially located 3.00 from each of these charges and released from rest. You observe that the initial acceleration of -2.50 is 354 upward, parallel to the ..
A 100kg mass is on an inclined plane of 30 degrees. It's connected to a second unknown mass that hangs over a frictionless pulley. What is the unknown mass required to maintain an acceleration down the place of 1m per sec
A village maintains a large tank with an open top, containing water for emergencies. Calculate the friction force exerted by the nozzle on the stopper
In an L-R-C series circuit, L = 0.398H , R = 310ohms , and C = 5.91×10?8F . When the ac source operates at the resonance frequency of the circuit, What is the voltage amplitude of the source
The radii of the wheels of a compound wheel and axle are 2cm, 5cm,and 10cm.It is found to have an efficiency of 90%. If a 500 kg load is lifted by the machine, how much effort in newtons is applied? what frictional force acts? Show a diagram of the s..
A 6 in diameter concrete test cylinder is subjected to a compressive load P = 110 kips. determine the normal stress and shear stress on the failure plane at failure
Assume bubbles formed on the surface of the objects that your were submerging. How would these bubbles affect the measurement of the density of the objects? Would the bubbles make the gauged densities too large, or too small? Describe.
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