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A plane flies at 1.95 times thespeed of sound. Its sonic boom reaches a man on the ground 1.00 minafter the plane passes directly overhead. What is the altitude of the plane
When a 0.2 kg mass is suspended from a vertically hanging spring it stretches the spring from its original length of 0.5 cm to a total length of 6.0 cm. what is the maximum speed of the mass as it oscillates
An electron with kinetic energy 1.56 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 23.0 cm. Find the frequency of circling
A speedboat increases its speed uniformly from 20 m/s to 30 m/s in a distance of 200m. Find (a) the magnitude of its acceleration and (b) the time it takes the boat to travel the 200-m distance.
An electron has a spin magnetic moment of magnitude ? = 9.285·10–24 A m2. Consequently, it has energy associated with its orientation in a magnetic field.
Use conservation of energy to determine the speed the child will have at the bottom of the arc when she is let go
Jack is a second-grade student. He seems to have no interest in learning, frequently daydreaming in class and frequently disrupting the class by throwing objects at other students. Explain how a bio psychosocial approach may provide both an integrate..
An AC generator has 80 rectangular loops on its armature. Eachloop is 13 cm long and 6 cm wide. The armature rotates at 1500 rpmabout an axis parallel to the long side.
A flight attendant pulls her 65N flight bag a distance of 388m along a level airport floor at a constant velocity. The force she exerts is 38 N at an angle of 51° above horizontal.
A capacitor with its plates separated by paper stores 4.8 of charge when it is connected to a particular battery. An otherwise identical capacitor, How much charge does that capacitor store
The amplitude of a lightly damped oscillator decreases by 4.9% during each cycle. What percentage of the mechanical energy of the oscillator is lost in each cycle
a diver springs upward with an initial speed of 1.7 ms from a 4.0-m board.a find the velocity with which he strikes the
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