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As a 15000 kg jet plane lands on an aircraft carrier, its tail hook snags a cable to slow it down. The cable is attached to a spring with spring constant 60000 N/mIf the spring stretches 30 m to stop the plane, what was the plane's landing speed?
An engine draws energy from a hot reservoir with a temperature of 1250 K, What is the actual efficiency of this engine
question1reduce equations of motion to an equivalent one-dimensional problem and discuss qualitative nature of the
The electric field of a sinusoidal electromagnetic wave obeys the equation E=(375V/m)cos[(1.99×107rad/m)x+(5.97×1015rad/s)t]. What is the amplitude of the magnetic field of this wave
A candle is placed 16.0 cm in front of a convex mirror. When the convex mirror is replaced with a plane mirror, the image moves 6.5cm farther away from the mirror. Find the focal length of the convex mirror.
A uniform steel beam has a mass of 720kg On it is resting half of an identical beam, What is the vertical support force at each end
A centrifuge in a medical laboratory rotates at an angular speed of 3,700 rev/min. Find the constant angular acceleration (in rad/s2) of the centrifuge
the clarinet is well modeled as a cylindrical pipe that is open at one end and closed at the other. find the wavelength
a solid aluminum ingot weighs 89n in the air. the ignot is suspended from a rope and totally immersed inn water. what is the tension in the rope
A dragster drives a quarter mile (402 m) at a constant rate of acceleration, starting from rest and finishing the race at a final speed of 450 km/hr. what average power was developed by the engine
A piece of copper wire is formed into a single circular loop of radius 13 cm. A magnetic field is oriented parallel to the normal to the loop, and it increases from 0 to 0.62 T in a time of0.38 s.
A mini-fridge needs to maintain a temperature of 277 K. The air outside the mini-fridge has a temperature of 301 K. What is the coefficient of performance of this mini-fridge
find the velocity of the plane relative to the ground.
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