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An Air France Airbus A 380 accelerates from rest to lift-off speed of 79.87 m/s in 28.90 s. Each of the plane's two jet engines provides a forward force (thrust) of 101.00 kN.
What is the mass of the plane?
a conducting sheet carries a surface current density of k amperesmeter. there are no other currents in the vicinity.a-
A ball bearing is released from a height of 1m to a metal plate. Explain how you would determine the fractional loss in kinetic energy of the ball bearing after it hits the plate. What happens to the kinetic energy lost?
The four masses shown in the figure are connected by massless, rigid rods, Find the coordinates of the center of gravity
A spring stretches by 0.0157 m when a 3.22-kg object is suspended from its end. How much mass should be attached to this spring
The skier has just begun descending the 30 degree slope. The coefficient of sliding friction is 0.10. Calculate (a) the skier's acceleration (b) the speed they'll reach after 6.0 seconds.
a charge of 21 nc is uniformly distributed along a straight rod of length 4.3 m that is bent into a circular arc with a
A jeweler working awith a heated 47 g gold ring must lower the ring's temperature to make it safe to handle. If the ring is initially at 99 C, what mass of water at 25 C is needed to lower the rings temperature to 38 c.
When the Earth, Moon, and Sun form a right triangle, with the Moonlocated at the right angle, as shown in the figure , the Moon is inits third-quarter phase. (The Earth is viewed here from above itsNorth Pole.)
question1the force vector a has a magnitude of 91.0 newtonrsquos and points due east. the force vector b has magnitude
An object is 12cm to the left of a lens with f=20cm. a secondlens with f=4cms is 2cms to the right of the first lens. find the image distance as measured from the second lens
Two parallel plates of area 51 cm.^2 have equal but opposite charges of 4.10E-07 C. Find the dielectric constant of the material
A blob of putty of mass m = 75.0 gram falls from the ceiling and lands on the outer rim of a turntable of radius R = 15.0 centimeter, Find the post collision angular speed of the turntable-putty system
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