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A 3 kilogram cart moves on an air track at 1.2 meter per second. It collides with and sticks to another cart of mass 5 kilogram, which was moving in the opposite direction at 0.7 m/s before collision. Obtain the velocity of the combined cart after collision.
In the lab frame, a point charge of +q is at rest between two streams of positive charge moving at c/3. The charge per unit length in the line of moving charges is ?C/m. In the lab frame, the electrostatic forces on charge q add up to zero, and th..
Laser light of wavelength 6.30x10^2 nm is incident upon two narrow slits separated by 0.17 mm. how far apart are the interference fringes
A temperature controller, designed to work in a steam environment, involves a bimetaillic strip constructed of brass and steel,connected at their ends by rivets. Each of the metals is 2.0mm thick.
A helium-filled balloon escapes a child's hand at sea level and 21.1 deg C. how will its volume compare to that at sea level
The assembly made with massless strings attached to balls. Ball A (m=0.3kg) is released from height 0.2m above ball B (m=0.5kg) also at rest. What max height does each ball achieve after collision
A 17-{\rm m}-long vine hangs verticallyfrom a tree on one side of a 10-{\rm m}-wide gorge, At what minimum speed must he be running
A sinusoidal voltage ?v = (60 V) sin (130t) is applied to a series RLC circuit with L = 90 mH, C = 175 ?F, and R = 34 ?. Whats the maximum current in the circuit
A welder using a tank of volume 7.90×10?2m3 fills it with oxygen at a gauge pressure of 3.00×105Pa and temperature of 38.8?C, Initial mass of oxygen is 0.391 kg, Find the mass of oxygen that leaked out
a swimmer capable of swimming at a speed of 1.87 ms in still water i.e. the swimmer can swim with a speed of 1.87 ms
A long, solid rod 4.5 cm in radius carries a uniform volume charge density. what is the volume charge density
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.50uT and a wavelength of 430nm is traveling in the +x direction through empty space. What is the amplitude of the associated electric field
a worker pushes horizontally on a large crate with a force of 308 n and the crate is moved 5.3 m. how much work was
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