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Problem: Equation may be written T2 (4Π -2 /g)L, which is a straight line through the origin if T2 is plotted versus L. Using the average periods measured for small oscillations, plot T2 versus L in meters. The standard deviation in T2 is 2TaT. Put error bars extending ±2TσT and ±σL from each of the experimental points; i.e., bars of length 4TσT and 2σL, respectively. Draw a straight line best fitting the data. Find the slope of this line, equate it to 4σ2/g and solve for g.
A tractor pulls a sled a distance of 30 meter along level ground. The total weight of the sled and load is 22,050 Newton. Determine the work done by the tractor
Comet Halley moves about the Sun in an elliptical orbit with its closest approach to the Sun being about d1=0.59 AU, What is its speed when it is furthest away from the sun
A 1055 kilogram van, stopped at a traffic light, is hit directly in the rear by a 660 kilogram car traveling with a velocity of +1.95 m/s. Determine the final velocity of each vehicle
In reality, the COP of the heat pump will only be 60 percent of the ideal value. What is the minimum power of the electric motor when the COP is 60 percent of the ideal value
A light bulb operates at 2.1 percent efficiency. The emitted light is 555 nm, find the number of photons per second given off
The electric potential in a certain area is given as: V = 3x^2 + 5yz. what is the electric field in the area
A wire of 10.0 meter length and a square (1.0 mm x 1.0 mm) cross section is made of a material with a resistivity of 5.0 x 10-8 W•m. Determine what is the new power consumed
A movie camera with a single lens of focal length 75 millimeter takes a picture of a 180 centimeter high man standing 27 meter away. Find the height of the image of the man on the film
Hydrogen atoms in highly excited states with a quantum number as large as n=732 have been detected in interstellar space by radio astronomers. what is the orbital radius of the electron in such an atom? what is the energy of the electron?
A galvanometer has a full-scale current of 0.11 mA and a coil resistance of 57 Ω. This instrument is used with a shunt resistor to form an ammeter that will register full scale for a current of 74 mA. Determine the resistance of the shunt resistor.
One swimmer in a relay race has a 0.49 s lead and is swimming at a constant speed of 3.97 meter per second. Determine what constant speed must the second swimmer have in order to catch up to the leader at the end of the pool
A 50.0 g sample of carbon taken from the femur bone of a skeleton is found to havea carbon -14 decay rate of 410 decays/min
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