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The supersonic aircraft Concorde has a length of 63.0\rm{m} when sitting on the ground on a typical day when the temperature is 18.0\rm{^{\circ}C} . The Concorde is primarily made of aluminum. In flight at twice the speed of sound, friction with the air warms the Concorde's skin and causes the aircraft to lengthen by 27.0\rm{cm} . (The passenger cabin is on rollers, so the airplane expands around the passenger cabin.) Take the coefficient of linear expansion for aluminum to be alpha = 2.40×10?5/\rm{^{\circ}C} . What is the temperature T of the Concorde's skin in flight?
Two examples of chemotherapeutic drugs (drugs used to treat cancer) and their cellular actions are listed below. Describe why each drug could be fatal to a cell.
To move a large crate of mass 30.05 kg across a rough floor, you push on it with a force at an angle of = 22.8° below the horizontal. Compute the acceleration of the crate if the applied force is 382 N and coefficient of kinetic friction is 0.486.
A massless rod of length 1m has a 2.00 kg mass attached to one end and a 3 kg mass attached to the other. The system rotates about a fixed axis perpendicular to the rod that passes through the rod 30.0 cm from the end with the 3kg mass attached. The ..
A 3 liter aluminium cylinder at 5°C is filled to the brim with gasoline at the same temperature. If the aluminium and gasoline are warmed to 62°C, how much gasoline spills out.
The infamous chicken is dashing toward home plate with a speed of 5.80 while he decides to hit the dirt. The chicken slides for 1.1, just reaching the plate as he stops (safe, of course).
What is the car's maximum speed on an incline. A fire hose held near the ground shoots water at a speed of 5.4 m/s, At what angle(s) should the nozzle point in order that water land 2 m away.
What is the current through the 6 ohm resistor?
How far (in {rm nm}) does the electron move before reaching a turning point? Because of their larger mass, the protons remain fixed all through this interval of time.
Find the distance from the mirror to the point where the reflected rays meet.
While a certain rubber band is stretched a distance x, it exerts a restoring force of magnitude F=ax+bx^2, where a and b are constants. The work completed in stretching this rubber band from x=0 to x=L is what.
If the mass of both weights is 150 gm, the first mass is located 30 north of east, the second mass is located 30 south of east, and the transducer sensitivity is 0.5 volts/Newton, how large a voltage do you expect to measure? Suppose the transducer h..
A civil engineer wishes to plan a curved exit ramp for a highway in a way that a car will not have to rely on friction to round the curve without skidding. In the other words, a car moving at the designated speed can negotiate the curve even while th..
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