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The Eiffel Tower is a steel structure whose height increases by 19.1 cm when the temperature changes from -9 to +40 oC. What is the approximate height (in meters) at the lower temperature?
A piece of sandston with a bulk volume of 1.3 cc is contained ina 5-cc cell filled with helium at 760 mm Hg. Temperature ismaintained constant and the cell is opened to another evacuatedcell the same volume.
When at rest, two trains have sirens that emit a frequency of 300 Hertz. Compute what is the speed of the second train
An airplane traveling at 9.90 multiplied by 102 km/h passes over a region where Earth's magnetic field is 4.0 multiplied by 10-5 T and is nearly vertical. What voltage is induced among the plane's wing tips, which are 75 m apart?
a particle is projected with a velocity of 900ft/sec at anelevation of 60 degrees to the horizontal from the foot of a planeof inclination 30 degrees, estimate the range on the inclined plane
A 66 trampoline artist jumps vertcally upward from the top of a platform with a speed of 5.4 . A) What is his speed as he lands on the trampoline, 3 m below his jump off point? B) If the trampoline behaves like a spring with spring stiffness constant..
A small block with a mass .120 kg is attached to a cordpassing through a hole in a frictionless, horizontal surface, What is the tension in the cord in the original situation when the block has speed v = .70m/s
What is the final speed of the crate after being pulled. On a very muddy football field, a 100 linebacker tackles an 80 halfback. Immediately before the collision, linebacker is slipping with a velocity of 8.5 north and the halfback is sliding with..
A 80 bike racer climbs a 1500 -long section of road that has a slope of 4.3 degrees. By how much does his gravitational potential energy change during this climb
If the elastic limit of copper is 3.68 x108 N/m2, determine the minimum diameter a copper wire can have under a load of 42.2 kg if its elastic limit is not exceeded.
You have been visiting a distant planet. Your measurements have determined that the planet's mass is four times that of earth but the free-fall acceleration at the surface is only one-fourth as large
Air is exiting a 100-cm-diameter balloon out a 1-cm-diameter nozzle. If the pressure and temperature at the exit are 110 kPa and 22-C, respectively, and the exit velocity is 30 m=s, calculate the flow rate, the mass flux, and the rate at which the..
A 0.20 kilogram ball is thrown straight up into the air with an initial speed of 13 m/s. Determine the momentum of the ball at its maximum height
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