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1. This question will ask you to determine the area of a flat piece of metal according to the data in the table below. The answer will need to be correctly state as mean value±?m units, for example Area = 3.2 ± 0.2 cm 2 . Length (cm) Width (cm) 8.4 6.3 8.6 5.9 8.3 6.2 8.7 6.5 8.5 6.3 8.8 6.1 a. (4 points) Determine the mean, standard deviation, and the standard deviation of the mean for the length measurements. Show all your work. Properly report the length and its error. b. (2 points) Determine the mean, standard deviation, and the standard deviation of the mean for the width measurements. Properly report the width and its error.(Hint: you can use scientific calculator or Excel to get results).
A house has a floor area of 115 m2 and an outside wall that has an area of 24 m2. The earth's magnetic field here has a horizontal component of 2.50 e 10-5 T that points due north and a vertical component of 4.30 e 10-5 T that points straight down..
A cylinder (I = MR^2/2) is rolling along the ground at 7m/s. It comes to a hill and starts going up. Assume no losses to friction, how high does it get before it stops.
At a certain point in a horizontal pipeline, the water's speed is 4.00{\rm m/s}, Find the gauge pressure at a second point in the line
The velocity of an object undergoing linear drag and no other forces can be described as: v(t)=v0e^t/?, Calculate the position x(t), and acceleration a(t) of the particle as a function of time t
A textbook of mass 2.10kg rests on a frictionless, horizontal surface. A cord attached to the book passes over a pulley whose diameter is 0.190m, What is the tension in the part of the cord attached to the book
An arrow is launched vertically upward from a crossbow at 97.9 m/s. What is its average speed up to that moment
A girl sits fixed on a merry-go-round of mass M = 500 kg and radius R = 2 m. The merry-go-round is at first at rest and is free to rotate without friction.
Two concentric hollow metal spheres have radii r1=1.50E-2 m and and r2=6.80E-2 m. At a point 9.80E-2 m from the center of the spheres, the electric field is directed outward and has a magnitude 2.08E+2 N/C. At a distance 5.80E-2 m from the center,..
Two point charges q and 4q are at x=0 and x=L, respectively, and free to move. A third charge is placed so that the entire three-charge system is in static equilibrium. What is the magnitude of the third charge
A stream of water strikes a stationary turbine blade horizontally. The incident stream has a velocity of +16m/s whilst the exit has a velocity of -16m/s. mass of water per second that strikes the blade is 30kg/s.find the magnitude of average force ex..
A gas has a volume of 3m3 when it is at the temperature of 23K. It's temperature now hoes up to 46K. WHat is it's new volume.
a 1cm-tall object placed 20cm front of a concave mirror produces a virtual image that is twice the height of the object. what is the length of the mirror
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