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1. Bob walks 200 m south. then jogs 400 in northwest. then walks 200 m in a 30° direction. south east.
1. Draw a graph of Bob's movements. Use a ruler and protractor.
2. Use graphical and analytical methods to ?nd the total displacement that Bob traveled. {Magnitude and direction)
c. Compare the results obtained by the graphical and analytical method. (Percent of difference).
2. Knowing that c: = 35, determine {graph and analytically) the resultant ofthe forces that are show in the figure. Compare your results calculating the percent difference. {Analytically it must be by components rectangular
A 20 x microscope objective is designed for use in a microscope with a 17 cm tube length. The objective is marked NA = 0.45. What is the diameter of the objective lens
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree,as well as its height, but are unable to make the measurements directly. How far away is the tree
a spool of thin wire pivots on a frictionless shaft. the wire is pulled by a hanging mass m of 1.30 kg. calculate the
It is desired to compute a single line to estimate temperature as a function of time. One person suggests averaging the three slope estimates to obtain a single slope estimate, and averaging the three intercept estimates to obtain a single interce..
A jet plane at take-off can produce sound of intensity 9.20 W/m^2 at 30.2 m away. What power of sound does the jet produce at take-off
Three capacitors are arranged. C1 has a capacitance of 3 pF, C2 has a capacitance of 6 pF, and C3 has a capacitance of 9 pF. Find out the voltage drop across the entire arrangement if the voltage drop across C2 is 249 V.
When stimulation voltage was increased above threshold, did the force of contraction increase, decrease, or stay the same? Explain why this occurred
A gasoline engine takes in1.61×104 {\rm J} of heat and delivers3900 {\rm J} of work per cycle. The heat isobtained by burning gasoline with a heat of combustion of4.60×104 {\rm J}/{\rm g}.
A student in a parked car honks the horn, which has a 'proper' frequency of 290. Hz. An observer in an approaching vehicle measures the frequency of the sound to be 316 Hz.
The car lift in a gas station operates with an air pressure of 2000 kPa. The piston of the car lift has a diameter of 30.0 cm. What is the mass of the largest car that the lift can raise
in april 2010 the worst oil spill until that time occurred when an explosion and fire on the deepwater horizon left 11
A manufacturer makes absorber plates that are 1.4 m x 1.0 m in size for use in solar collectors. Consider such a plate placed
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